Question: Question 1: Please answer my question very urgent. As soon as possible. (b) In a study of women's IOU-meter performance of 25 university students, mean

Question 1:

Please answer my question very urgent. As soon as possible.

Question 1:Please answer my question very urgent. As soon as possible. (b)

(b) In a study of women's IOU-meter performance of 25 university students, mean time is 19.5 seconds with standard deviation of 9.88 seconds were recorded. Construct a 90% condence interval to estimate the mean. In a random sample of 360 food stores, it was found that 160 of these food stores offers special promotions. Construct a 99% condence interval to estimate the population of food stores that offers promotion

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