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Vedmedyk [2.9K]
3 years ago
6

2.4 written in simplest form

Mathematics
1 answer:
guajiro [1.7K]3 years ago
7 0
You can either write 2.4 as 12/5 ( an improper fraction) or as 2(2/5) (a mixed number).
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Two coins, A and B, each have a side for heads and a side for tails. When coin A is tossed, the probability it will land tails-s
BlackZzzverrR [31]

Answer:

Is the number of tosses for each coin enough for the sampling distribution of the difference in sample proportions PA-PB to be approximately normal?

b. No, 20 tosses for coin A is enough, but 20 tosses for coin B is not enough.

Step-by-step explanation:

a) Data and Calculations:

The probability of coin A landing tails-side up = 0.5

The proportion of times coin A lands tails-side up (PA) = 20 * 0.5 = 10

Therefore, the probability of coin A landing heads-side up = 0.5 (1 - 0.5)  

And the proportion of times that coin A lands heads-side up = 20 * 0.5 = 10.  

The proportion on either side is equally distributed.

This is why 20 tosses for coin A is enough, since the sample proportions PA is approximately normal, symmetric, and equally distributed.  There will be equal amounts of 10 tosses (0.5 *20) for either heads-side up or tails-side up.

For coin B, the probability of landing tails-side up = 0.8

The proportion of times coin B lands tails-side up (PB) = 20 * 0.8 = 16

Therefore, the probability of coin B landing heads-side up = 0.2 (1 - 0-.8)

The proportion on either side is not equally distributed, but skewed.

This is why 20 tosses for coin B is not enough, since the sample proportions PB is not approximately normal, symmetric, and equally distributed.  There will be 16 tosses landing tails-side up (0.8*20) and only 4 tosses landing heads-side up (0.2*20).

6 0
3 years ago
Gabriel used 1/3 of liter of milk to make 1/9 of jug of tea
Natalka [10]
So, it will take 1 liter of milk to make 1/3 jug of tea.



Also, it will take 3 liters of milk to make 1 jug of tea.
5 0
2 years ago
Consider the function represented by the equation 6c = 2p – 10. Write the equation in function notation, where c is the independ
zhuklara [117]

we have

6c = 2p - 10

If c is the independent variable

then

p is the dependent variable

so

clear variable p

6c = 2p - 10

Divide by 2 both sides

3c = p - 5

Adds 5 both sides

3c+5 = p - 5 +5

p=3c+5

Write the equation in function notation

f(c)=3c+5

therefore

the answer is

the equation in function notation is equal to f(c)=3c+5

5 0
3 years ago
Read 2 more answers
What is the solution to the inequality -4 x < 8?
alekssr [168]

<u>Answer:</u>

  • The solution of the inequality is x < -2.

<u>Step-by-step explanation:</u>

<u>Let's simplify the inequality first.</u>

  • => -4x < 8
  • => -4x/4 < 8/4
  • => -x < 2
  • => x < -2

Hence, <u>the solution of the inequality is</u><u> x < -2.</u>

Hoped this helped.

BrainiacUser1357

6 0
2 years ago
Read 2 more answers
A rectangle has a perimeter of 30m. The length is 10m. Solve the following equation to find the width: 2w+ 2(10)= 30
NARA [144]

2w+2(10)=30

multioly the 2 and 10

2w+20=30

subtract 20

2w=10

divide by 2

w=5

plz rate as brainliest answer


5 0
3 years ago
Read 2 more answers
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