The Genetics and IVF conducted clinical trial of the STORY m

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

Solution

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.