Question

1)Studies indicate that the Mean weight of adult men in this county is 189.6 lb with a Standard    Deviation 40.1 lb. If a man is selected at random, what is the probability that his weight is between 173 and 200 lb?

2) Studies indicate that the mean height of women is 63.7 with a standard deviations of 2.7 in. If a woman is selected at random, what is the probability that she is 69 inches tall or taller?

3) Given n =1000, x = 841, Find a 95% confidence interval for the proportion 841/1000 =.841

4)   A recent study 50 people indicated that 52.4% of people vote. Test the Hypothesis at the α =.05 level that the proportion of people that vote is > 50%   

  5)   A recent study of 25 people indicated that the mean body temperature was 98.2 with a calculated standard deviation of .62 . Test the hypothesis at the α = .05 level that the mean body temperature is not equal to 98.6. Since we have a calculated standard deviation, we must use the adjusted normal table (Table-A3). This is an example of a Two Tail Test.

6) Given the paired data set below calculate the mean and the standard deviation of the
differences.

24 58 72 48 33 17 34 49 25 65

46 65 41 28 15 37 52 24 68

Answer 1

fnote: for 6 question for paired difference one value is missing in y please rectify it and post it separately