Mathematics, 23.10.2019 21:30 chony83
For its music 360 survey, nielsen co. asked teenagers how they listened to music in the past 12 months. nearly two-thirds of u. s. teenagers under the age of 18 say they use google inc.'s video-sharing site to listen to music and 35% of the teenagers said they use pandora media inc.'s custom online radio service (the wall street journal, august 14, 2012). sup- pose 10 teenagers are selected randomly to be interviewed about how they listen to music. is randomly selecting 10 teenagers and asking whether or not they use pandora media what is the probability that none of the 10 teenagers uses pandora media inc.'s online what is the probability that 4 of the 10 teenagers use pandora media inc.'s online what is the probability that at least 2 of the 10 teenagers use pandora media inc.'s a. 2 inc.'s online service a binomial experiment? radio service? radio service? online radio service? b. c. d.
Answers: 1
Mathematics, 21.06.2019 19:20
Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.
Answers: 1
Mathematics, 21.06.2019 22:10
Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.
Answers: 2
For its music 360 survey, nielsen co. asked teenagers how they listened to music in the past 12 mont...
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