Hello can you please help me answer these questions if it's A, B, C or D? Thank you

Page 2 of 3 Update Find the minimum sample size you should use to assure that your estimate of p will be within the required margin of Reading Lis error around the population p. 9) Margin of error: 0.09; confidence level: 95%; from a prior study, p is estimated by the decimal 9 ) equivalent of 87%. A) 54 B) 5 C) 48 D) 162 Use the confidence level and sample data to find a confidence Interval for estimating the population u. 10) Test scores: n = 95, x = 73.8, a = 7.4; 99 percent 10) A) 72.5