Mathematics College

A fair coin is flipped 10 times and lands on heads 8 times. Why is there a difference between the experimental and theoretical probabilities of observing 8 heads in 10 coin flips?
A.
Since the number of heads in the 10 coin flips is 8, the theoretical probability of observing a head in a coin flip increases from 0.5 to 0.8.
B.
Since 10 is a large enough number of trials, there is probably some error in the recording of the coin flip outcomes.
C.
The theoretical probability has no basis in reality, so the new probability of flipping heads is now 0.8.
D.
There should be a larger number of trials. With 500 flips of the coin, the experimental probability will likely approach the theoretical probability of 0.5.

Answers

Answer 1

Answer:

its D

Step-by-step explanation:

Beacsue i just think its d the rest

Answer 2

Answer:

its D

Step-by-step explanation:

Related Questions

ten to the power of 8

Answers

Answer:

000000000

Step-by-step explanation:

0.75 times what equals 3

What is the answer

Answers

4 bc .75 x4 is 3 the answer is 4

Answer:

3/.75=4

divide 3 by point seven five

Convert 1/4% to ratio

Answers

Answer:

1 : 4

Step-by-step explanation:

11. Interest earned: $10
Principal: $250
Interest rate: 4%
Time: ?
I just have a test due and can’t get these !!

Answers

Answer:

hello

Step-by-step explanation:

no sé soy nuevo jajajaja

The population of Buhlerville is 92,000 in 2019. The population of the city was 94880 in 2021. What is the
expected population in 2022?

Answers

Answer:

96320

Step-by-step explanation:

The population of Buhlerville will be 96320

What’s the closets fraction to 1/2

Answers

Answer:

1/2 2/4 3/6

Step-by-step explanation:

Answer:

7/13

Step-by-step explanation:

if 1/26 is closest to zero then 7/13 is closer to 1/2

Can someone help me please it’s urgent what’s the answer or property of c?

Answers

Answer:

Associative property

Step-by-step explanation:

Can someone help me with this equation.

Answers

Answer:

use photomath

Step-by-step explanation:

it's really easy just simply download it then scan your problem

Answer:

use photo math

Step-by-step explanation:

it helps a lot!

PLEASE HELP NEED IT ASAP!!! FOR A UNIT TEST!!!
Write the slope-intercept equation for the line that is perpendicular to:
y = -2x + 3 and passes through (-4, 5)

Answers

Y=1/2x+7 because you flip the sign and the numbers on the fraction for the slope then solve for the y-not

Answer:

Y=1/2x+7

Step-by-step explanation:

1/4 divided by 3 1/2

Answers

Answer:

1/14

Step-by-step explanation:

dont really know how to explain... just make sure to change both to a common denominator

Answer:

1/14

Step-by-step explanation:

help find the radius

Answers

Answer:

12.5

Step-by-step explanation:

the radius of a circle is half of the diameter

In AGHI, GI is extended through point I to point J, mZGHI = (2x - 3)º,
mZIGH = (2x + 15)°, and m_HIJ = (7x – 18)'. Find mZGHI.

Answers

Answer:

m<GHI = 17°

Step-by-step explanation:

m<GHI = (2x - 3)°

m<IGH = (2x + 15)°

m<HIJ = (7x - 18)°

<HIJ is an exterior angle of ∆GHI

<GHI and <HIJ are both interior angles of ∆GHI that are opposite to the exterior angle.

Therefore, based on the exterior angle theorem of a triangle, we would have the following equation:

m<GHI + m<IGH = m<HIJ

(2x - 3)° + (2x + 15)° = (7x - 18)° (substitution)

Solve for x

2x - 3 + 2x + 15 = 7x - 18

Add like terms

4x + 12 = 7x - 18

4x - 7x = -12 - 18

-3x = -30

Divide both sides by -3

x = 10

✔️m<GHI = (2x - 3)°

Plug in the value of x

m<GHI = 2(10) - 3 = 20 - 3

m<GHI = 17°

'Nine less than the product of four and a number

Answers

Answer:

(4 x X)-9

Step-by-step explanation:

I think this is correct pls tell me if this is wrong

Hope this helps

The algebraic expression of Nine less than the product of four and a number is 4x-9.

What is Expression?

An expression is combination of variables, numbers and operators.

The given sentence is 'Nine less than the product of four and a number.

We need to write this sentence as an algebraic expression.

We know that less than means there we used subtraction.

Product in the sentence means multiplication.

Let us consider x as the unknown number in the given expression.

the product of four and a number means four is multiplied with x. which is 4x.

Nine less than the product of four and a number

4x-9

Hence, the algebraic expression of Nine less than the product of four and a number is 4x-9.

To learn more on Expressions click:

https://brainly.com/question/14083225

#SPJ2

The distance around a lake is 8km on a map this distance around the lake is represented by 2 cm The on the map is what

Answers

Answer:

1 cm = 4 km.

Step-by-step explanation:

I think you want the scale of the map.

It is 1 cm = 8/2 = 4 km.

What is the Circumference of the circle below? (Use 3 for π)

Answers

Answer: The circumference of this circle with 3 for pi is 108 m.

Step-by-step explanation: The formula for the circumference of a circle is 2 pi r. So, plug in the values. 2 x 3 x 18 is equal to 108. Therefore, the circumference of this circle is 108 m.

you spin the spinner below once: what is the P(getting a number less than 5)?

Answers

Answer:

3/4

Step-by-step explanation:

Answer: it would be 3/4 hope this helps you!!!

Step-by-step explanation:

What is the relation of the slopes of perpendicular lines or segments?
A) congruent
B) both positive
C)opposite reciprocals
D)both negative

Answers

Answer:

Step-by-step explanation:

In elementary geometry, the property of being perpendicular (perpendicularity) is the relationship between two lines which meet at a right angle (90 degrees). The property extends to other related geometric objects.

Answer: D both negative

Step-by-step explanation:

in which table is y a linear near function of x will mark brainest

Answers

possibly c, I'm not that good with math

pls give brainliest

Help me please
Determine the ratio for COS C in the picture below

Answers

Answer:

Step-by-step explanation:

Cos=opposite/hypotenuse

Cos C=32/40 or 4:5

Cos C=0.8

A) what slope does this line have?
B) what is the slope of the line?
C) what is the y- intercept of the line?
D) what is the equation of the line?

Answers

Answer:

The slope is a positive linear slope

The slope is 2

The y-intercept is -4

The equation of this line would be: y = 2x - 4

Step-by-step explanation:

y = mx + b format

m = slope

b = y-intercept

and x and y are the x and y components

3. Find the missing side length
of the right triangle below.

Answers

The length of the last side is 13.416, I am not sure what you need to round your numbers to but you can round it to whatever you teacher wants.
Work shown in picture

Gas mileage is the number of miles you can drive on a gallon of gasoline. A test of a new car results in 460 miles o. 20 gallons of gas. How far could you drive on 70 gallons of gas.

Answers

Answer:

1,610 miles

Step-by-step explanation:

If you do 460/20 you get the gas mileage. The gas mileage is 23. If you do 23*70 you get 1610 miles out of 70 gallons of gas. (Double-check to make sure I'm correct)

Harrison pays $22.36 each month for his phone bill.
He also pays an extra $4.73 each time he makes a
long-distance call. Harrison paid a total of $64.93
for his phone bill last month. Write an equation to
find how many long-distance calls he made.
22.36 + 4.73c = 64.93
Solve the equation:
C
= [?]

Answers

Answer:

Step-by-step explanation:

64.93-22.36=42.57

42.57/4.73=9

A bag of apples weighs 7kg, correct to
the nearest kilogram.
What is the least possible weight of the
bag of apples?

Answers

i’m pretty sure it’s 6.5kg because if it was any less than that (eg 6.4kg) it would be rounded down to six rather than being rounded up to seven

An electrical completes 1/6 of job in 2/3 hours At this rate how many hours does it take the electrician to complete the job

Answers

Answer:

4 hours

Step-by-step explanation:

6 × 2 = 12

12 ÷ 3 = 4

4 hours is the correct answer

Glad I could help:)

Let ∠1, ∠2, and ∠3 have the following relationships.
I WILL GIVE 20 POINTS PLS
∠1 and ∠2 are adjacent right angles.
∠1 and ∠3 are vertical angles.
What is the measure of ∠1 plus the measure of ∠3 minus the measure of ∠2?

Answers

Answer: If 1 and 2 are adjacent right angles, they are both 90º.

1 and 3 are vertical, which means they must be congruent, so 3 is also 90º

So: 90 + 90 - 90 = 90

Step-by-step explanation:

If I sell all 80 tickets, I will have completed Il
% of my goal.

Answers

100% cause u sold all the tickets

According to her running log, Alexa averaged 4 Miles per week last month and 50%less this month. How much did she average this month?

Answers

Answer:

2 miles per week

Step-by-step explanation:

If she averaged 50% less this month, that means her average this month is half of 4.

Divide 4 by 2

4/2

= 2

So, she averaged 2 miles per week this month

I need help pleaseeeee

Answers

Answer:

The value will be positive because there are five minus signs which means negative but the there are two minus before the biggest number which means positive.

Solve the inequality: x - 12 < -16

Answers

X< -4
You need to do inverse operations and add 12 to both sides.

Answer:

x > -4

Step-by-step explanation:

What you do is in order to get the x by itself you need to do the opposite of -12 which is just +12 so you need to add 12 to both sides. You should end up with something like this:

x -12 + 12 < -16 + 12

x < -4

So, that should be your answer. Hope this helps :) Have a good day!!

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