Question

Sam decides he wants to know whether 45% of his customers own only one cat.

a. Set up the null and alternative hypothesis (DO NOT TEST).

b. If Sam wants to minimize the probability of making a type 2 error, should he set alpha equal to 0.05 or 0.01? Explain.

c. In terms of the problem, what does it mean if he makes a type 1 error?

d. What would be the consequences of making such an error?

Answer 1

A)

Ho :   p =    0.45
H1 :   p ╪   0.45

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B)

set alpha equal to 0.05

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C)

TYPE I error is rejection of true null hypothesis

so, it means he concluded that not  45% of his customers own only one cat but inactual  45% of his customers own only one cat

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d)

consequences are : we have wrongly conlcude that not  45% of his customers own only one

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