Question

In each of the following cases state whether or not the normal approximation to the binomial should be used for a significance test on the population proportion p.

a. n = 10 and H0: p = 0.4.

b. n = 100 and H0: p = 0.6.

c. n = 1000 and H0: p = 0.996.

d. n = 500 and H0: p = 0.3.

Answer 1

@agent0smith

Answer 2

@whpalmer4

Answer 3

Sorry, not really a stats practitioner, couldn't be confident in the advice I might give. http://www.youtube.com/watch?v=CG2cux_6Rcw

Answer 4

alright thank you

Answer 5

There's a rule for when you can or can't
http://www.regentsprep.org/Regents/math/algtrig/ATS7/BLesson3.htm
scroll to
"RULE: If , the normal curve will be a good approximation for the binomial distribution (usually good to two or three decimal places)."

Answer 6

so what would you say about a? @agent0smith ?

Answer 7

Use the rule and decide