The contingency table shows the distribution of a random sample of fatal pedestrian motor vehicle collisions by time of day and by gender in a recent year. Time of day Gender 12 - 6. 6 - 12. 12 - 6. 6...

The contingency table shows the distribution of a random sample of fatal pedestrian motor vehicle collisions by time of day and by gender in a recent year.

                                    Time of day

Gender     12 - 6.       6 - 12.      12 - 6.     6 -  12

Male          657.           591.         905.         940

Female.     260.          358.        585          514

a). Find the expected counts for this table.

b) Are the two variables independent? Test using a 5% significance level.