According to a government study among adults group

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According to a government study among adults in the 25- to 34-year age group, the mean amount spent per year on reading and entertainment is $1924. Assume that the distribution of the amounts spent follows the normal distribution with a standard deviation of $432. Refer to the table in Appendix B.1. (Round z-score computation to 2 decimal places and the final answer to 2 decimal places.)

a. What percentage of the adults spend more than $2120 per year on reading and entertainment?

Percentage %

b. What percentage spend between $2120 and $3000 per year on reading and entertainment?

Percentage %

c. What percentage spend less than $1000 per year on reading and entertainment?

Percentage %

Reference no: EM132248126

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