Author Question: Find the probability of at least 2 girls in 7 births. Assume that male and female births are equally ... (Read 223 times)

newbem · **on:** Aug 1, 2018

Find the probability of at least 2 girls in 7 births. Assume that male and female births are equally likely and that the births are independent events.

A) 0.773 B) 0.164 C) 0.063 D) 0.938

Question 2

For a 2 3 contingency table, the sampling distribution of the chi-square statistic is based on df.

a. 1
b. 2
c. 3
d. 6