O $20 Save Question 9 (1 point) 9. The average salary of all female workers is 4

Question

O $20 Save Question 9 (1 point) 9. The average salary of all female workers is 45,000 S. The average salary of all male workers is 51,000 5. What must be true about the average salary of all workers? it must be 48,000 S . it could be any number between $45,000 and $51,000. @ it must be larger than 48,000 S It must be larger than the median salary Save Question 10 (1 point) 10. The probability of a sunny day in July in the state of Virginia is 0 75. What is the probabiluity of at least one day in a five- day span that is not sunny if we assume the days are independent?

Explanation / Answer

Question 9

Option B is correct as Average salary of all workers must be in between $ 45000 and $ 51000

Quetion 10

Pr(Sunny day in July) = 0.75

Pr(Not sunny day in july) = 0.25

Pr(at least one day is not sunny in july) = 1 - Pr(no day is not sunny in july) = 1- 0.755 = 0.763

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