Use Table 5.1 to find the P-value that corresponds to the standard z-score, and determine whether the alternative hypothesis is supported at the 0.05 significance level.

1.9 for H_a: u < 36.35

Assume that male births and female births are equally likely. The following table shows the probabilities of various numbers of male babies in a random sample of 100 births Assume that we are testing for a bias against males.

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Number of males among 100 35 or fewer 40 or fewer 45 or fewer 48 or fewer Probability 0.002 0.028 0.184 0.382