ABSTRACT

533 534 Application: As a result of a survey carried out of 200 families, each with five children, the distribution shown below was produced. Test the null hypothesis that the observed frequencies are consistent with male and female births being equally probable, assuming a binomial distribution, a level of significance of 0.05 and a ‘too good to be true’ fit at a confidence level of 95% Number of boys (B) and girls (G) 5 B, OG 4 B, 1G 3 B, 2G 2 B, 3G 1 B, 4G, 0 B, 5G Number of families 11 35 69 55 25 5 https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780429294402/968186b9-ffa4-4f2b-aa54-7fc58a604561/content/eq6373.tif"/>