A)For n=56​, p=0.5​, and X=30, use the binomial probability formula to find​ P(X).     B)Can the normal distribution be used to approximate this​ probability? A. ​No, because np(1−p)≤10   B. ​Yes, because np(1−p)≥10   C. ​Yes, because np(1−p)≥10   D. ​No, because np(1−p)≤10   C) Approximate​ P(X) using the normal distribution.

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.3: Special Probability Density Functions
Problem 42E
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Compute​ P(X) using the binomial probability formula. Then determine whether the normal distribution can be used to estimate this probability. If​ so, approximate​ P(X) using the normal distribution and compare the result with the exact probability.

n=56  p=0.5   x=30 

A)For n=56​, p=0.5​, and X=30, use the binomial probability formula to find​ P(X).

 

 

B)Can the normal distribution be used to approximate this​ probability?

A.

​No, because np(1−p)≤10
 
B.
​Yes, because np(1−p)≥10
 
C.
​Yes, because np(1−p)≥10
 
D.
​No, because np(1−p)≤10
 
C)
Approximate​ P(X) using the normal distribution. Use a standard normal distribution table.
A.
​P(X)=enter your response here
​(Round to four decimal places as​ needed.)
 
B.
The normal distribution cannot be used.
 
 
D)
By how much do the exact and approximated probabilities​ differ?
A.enter your response here
​(Round to four decimal places as​ needed.)
B.
The normal distribution cannot be used.
 
E)By how much do the exact and approximated probabilities​ differ?
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