Question

454 $47 52-51.7 38. S interval by selecting one of doe stastemests a. b. d. There ís a 98% Sy W probability that the avenge oat of groceries 98% contident that the average cost or groceries in in-eertain eny certain city la ben is betu-S.nd e There is a 98% probability that a randomly selected grocery bakeuns between Se-taw cost of groceries ins ou sample is betwees S 39. A housing researcher would like to estimate the averoge square footage of new singhe-uvily home with a 90% confidence interval and a mnpm of emot within 100 scoate ter. Aas n mghere dation standard deviation for the square footage of new single-family homes is 830 sare feet, what wod be the required sample size. a. 13 b. 14 . 195 d. 196 0. For a test of Ho: the p-value? 250 versus Ha: 250, he Ha : μ挙250, the calculated value of the test statistic is 2.8 a. 0,9974 b. 1.9948 c. 0.0026 d. 0.0052

Answer 1

My dear student please post the clear questions.first 2 questions are not readable . Thank you.