2) Seventy five percent of U. S. mothers with school-age children choose fast food as a dining
option for their families one to three times a week. You randomly select ten U. S. mothers with
school-aged children and ask whether they choose fast food as a dining option for their families
one to three times a week. The random variable represents the number of U. S. mothers who
choose fast food as a dining option for their families one to three times a week

(A)Find the mean, variance, and standard deviation for the binomial distribution

(B)If ten mothers chose fast food as a dining option for their families one to three times a week,
would this be considered an unusual event? Be sure to justify your answer using mathematics.

Students at a high school were asked about their favorite outdoor activity. the results are shown in the two-way frequency table below. fishing camping canoeing skiing total boys 36 44 13 25 118 girls 34 37 22 20 113 total 70 81 35 45 231 select all the statements that are true based on the given table. more girls chose camping as their favorite outdoor activity than boys. more girls chose canoeing as their favorite outdoor activity than those who chose skiing. more boys chose skiing as their favorite outdoor activity than girls. there were more boys surveyed than girls. twice as many students chose canoeing as their favorite outdoor activity than those who chose fishing. more students chose camping as their favorite outdoor activity than the combined number of students who chose canoeing or skiing.