Solved: Monthly Spending for Paging and Messaging Services
Chapter 6, Problem 6(choose chapter or problem)
Monthly Spending for Paging and Messaging Services The average individual monthly spending in the United States for paging and messaging services is $10.15. If the standard deviation is $2.45 and the amounts are normally distributed, what is the probability that a randomly selected user of these services pays more than $15.00 per month? Between $12.00 and $14.00 per month? (62) 0.0239; 0.1654 Source: New York Times Almanac.
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