The Genetics and IVF conducted clinical trial of the STORY method designed to in

Question

The Genetics and IVF conducted clinical trial of the STORY method designed to increase the probability of having a boy. Assume that if conception is left to chance, there is a 50% chance off conceiving a boy. In a random sample of 291 babies who were born using this method, 230 were boys. use a 0.01 significance level to test the claim that the STORY method is effective in increasing the likelihood that a baby will be a boy.
a) statistical hypothesis:
b) null hypothesis
c) alternative hypothesis
d) which hypothesis is the claim
e) chosen distribution
f)reason for choosing
g) p value
h) choose one: reject Ho or fail to reject Ho

Explanation / Answer

a) to test if percentage of conceiving boy and girl is equal.

b) H0: P=50%

c) H1:P >to 50%

d) Alternative hypothesis.

e) normal distribution

f) sample size is large

g) 1

h) fail to reject H0.

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