Mathematics, 27.11.2019 01:31 hawleyemily
Astudy of long-distance phone calls made from general electric corporate headquarters in fairfield, connecticut, revealed the length of the calls, in minutes, follows the normal probability distribution. the mean length of time per call was 4.7 minutes and the standard deviation was 0.50 minutes.
(a) what fraction of the calls last between 4.7 and 5.5 minutes? (round z-score computation to 2 decimal places and your final answer to 4 decimal places.)fraction of calls (b) what fraction of the calls last more than 5.5 minutes? (round z-score computation to 2 decimal places and your final answer to 4 decimal places.)fraction of calls (c) what fraction of the calls last between 5.5 and 6 minutes? (round z-score computation to 2 decimal places and final answer to 4 decimal places.)fraction of calls
(d) what fraction of the calls last between 4 and 6 minutes? (round z-score computation to 2 decimal places and your final answer to 4 decimal places.)fraction of calls (e) as part of her report to the president, the director of communications would like to report the length of the longest (in duration) 3% of the calls. what is this time? (round z-score computation to 2 decimal places and your final answer to 2 decimal places.)duration
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Ataxi company charges $2.25 for the first mile and then $0.20 per mile for each additional mile, or f = $2.25 + $0.20(m - 1) where f is the fare and m is the number of miles. if juan's taxi fare was $6.05, how many miles did he travel in the taxi? if juan's taxi fare was 7.65, how many miles did he travel in taxi
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What are the solutions of the equation? 6x^2 + 11x + 4 = 0 a. 4/3, 1/2 b. -4/3, -1/2 c. 4/3, -1/2 d. -4/3, 1/2
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Mathematics, 21.06.2019 20:30
Raymond just got done jumping at super bounce trampoline center. the total cost of his session was $43.25 . he had to pay a $7 entrance fee and $1.25 for every minute he was on the trampoline. write an equation to determine the number of minutes (t) that raymond was on the trampoline.
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Astudy of long-distance phone calls made from general electric corporate headquarters in fairfield,...
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