Question
Asked Nov 14, 2019
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I really don't understand Stats at all. I am super close into dropping out and i don't want to do that. I have until midnight to turn in my homework. The question is

 

Below, n is the sample size, p is the population proportion of successes, and X is the number of successes in the sample. Use the normal approximation and the TI-84 Plus calculator to find the probability. Round the answer to at least four decimal places.

n= 85, p= 0.48, P(32<X<45)

 
 
 
 
 
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Expert Answer

Step 1

Let us define the random variable X as the number of successes in the sample follows Binomial distribution with parameters n=85 and the probability of success is p=0.48.

 

Normal Approximation to Binomial distribution:

 

If the random variable X follows B...

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