Question

The starting salaries of people employed at the Calgary 1988 Winter Games is normally distributed with a mean of $6,000 and a standard deviation of $450 what is the probability that a randomly-selected person will get a starting salary of at least $5,000.

Possible Answers: 0.987 or 0.500 or 0.495 or 0.130

The probability that residents own two cars if annual household income is over $50,000 is 80%. of the households surveyed 60% had income over $50,000 and 70% had two cars, the probability that the residents of a household own two cars and have an income less than or equal to $50,000 a year is:

Possible answers: 0.18 or 0.48 or 0.22 or 0.12

These are 2 seperate questions, please show the work/calculations for both

Answer 1

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