A study found that consumers spend an average of $22 per week in cash without being...

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A study found that consumers spend an average of $22 per week in cash without being...

A study found that consumers spend an average of $22 per week in cash without being aware of where it goes. Assume that the amount of cash spent without being aware of where it goes is normally distributed and that the standard deviation is $5. Complete parts (a) through (c).

b. What is the probability that a randomly selected person will spend between $9 and $18? P($9 less than X less than$18)equals

math Statistics-And-Probability

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