Mathematics, 24.07.2019 22:30 selenaK9514
Suppose the wait time for license renewal at the local office of state motor vehicle department has been found to be normally distributed with a mean of 30 minutes and standard deviation of 8 minutes. suppose that in an effort to provide better service to the public, the director of the local office is permitted to provide discounts to those individuals waiting time exceeding a predetermined time. the director decides that 15% of the customers should receive this discount.
what number of minutes do they receive the discount?
Answers: 2
Mathematics, 21.06.2019 20:30
If a 36 inch yardstick casts a 21 foot shadow, how tall is a building whose shadow is 168 feet? what is the scale factor
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Mathematics, 21.06.2019 22:00
The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score
Answers: 1
Mathematics, 22.06.2019 00:30
Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6
Answers: 1
Suppose the wait time for license renewal at the local office of state motor vehicle department has...
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