Mathematics

Mathematics, 09.07.2019 08:40, natalie2sheffield

Find the probability and interpret the results. if convenient, use technology to find the probability. during a certain week the mean price of gasoline was $2.715 per gallon. a random sample of 32 gas stations is drawn from this population. what is the probability that the mean price for the sample was between $2.691 and $2.732 that week? assume sigmaσequals=$0.049

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Mathematics, 07.07.2019 04:10, lLavenderl

According to an airline, flights on a certain route are on time 75% of the time. suppose 25 flights are randomly selected and the number of on-time flights is recorded. (a) explain why this is a binomial experiment. (b) find and interpret the probability that exactly 15 flights are on time. (c) find and interpret the probability that fewer than 15 flights are on time. (d) find and interpret the probability that at least 15 flights are on time. (e) find and interpret the probability that between 13 and 15 flights, inclusive, are on time.

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Mathematics, 18.07.2019 23:30, isabellesolisss5217

According to an airline, flights on a certain route are on time 75% of the time. suppose 10 flights are randomly selected and the number of on-time flights is recorded. (a) explain why this is a binomial experiment. (b) determine the values of n and p. (c) find and interpret the probability that exactly 6 flights are on time. (d) find and interpret the probability that fewer than 6 flights are on time. (e) find and interpret the probability that at least 6 flights are on time. (f) find and interpret the probability that between 4 and 6 flights, inclusive, are on time.

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Mathematics, 28.07.2019 03:30, Karumbafaith

According to an airline, flights on a certain route are on time 80 % of the time. suppose 10 flights are randomly selected and the number of on-time flights is recorded. (a) explain why this is a binomial experiment. (b) find and interpret the probability that exactly 7 flights are on time. (c) find and interpret the probability that fewer than 7 flights are on time. (d) find and interpret the probability that at least 7 flights are on time. (e) find and interpret the probability that between 5 and 7 flights, inclusive, are on time.

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