13 The 1991 General Social Survey asked. "During the last year. did anyone take something from you by using force-such as a stickup. mugging, or threat Of 98 subjects, 17 answered yes and 970 answered no

a) Find the point estimate of the proportion of the population who were victims of this type.

b) Construct and interpret a 95% confidence interval for the population proportion. Can you conclude that fewer than 5% were victims of this type?