0, 20.65, 20.35, 20.45, 20.70 ot on arithmetic probability ven the mean, X = 20.497 a
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- KE According to marketing corporation, the per capita consumption of totted water 3.3 gaons per month Assume the standard deviation for this population is 0 65 gallone per month. Consider a random sample of 81 people What is the probability that the sample men 4 galona per month? What the prob that galore per mont Mentify the symme The pay the sample men will lean 34 ph (Type an vinger or animal de o male) The phat the same more than 30 ton per month mais 33 gatore per monThe probability distribution below is for the random variable X = the number of credits taken during the fall semester by a randomly selected student at a large university. Calculate the mean of X. Round to the hundredths place. Credits 14 15 16 17 Probabiblity 0.05 0.65 0.20 0.10Plz help asap 39
- Claim: Most adults would erase all of their personal information online if they could. A software firm survey of 566 randomly selected adults showed that 60% of them would erase all of their personal information online if they could. Find the value of the test statistic. estion He The value of the test statistic is (Round to two decimal places as needed.) ults would erase all18: AnswerMean and Standard Deviation. Assume that the random variable X is normally distributed, with mean =70 and standard deviation =16. Which of the following is the probability that X is less than 90?
- b1 Topic: Testing for the fit of the probability distribution please answer the tableK Assume that adults have IQ scores that are normally distributed with a mean of μ = 105 and a standard deviation o=20. Find the probability that a randomly selected adult has an IQ between 89 and 121. Click to view page 1 of the table. Click to view page 2 of the table. The probability that a randomly selected adult has an IQ between 89 and 121 is (Type an integer or decimal rounded to four decimal places as needed.)Sample size = 16 Standard deviation = 12 %3D %3D Mean = 90 Find the probability that the sample mean is between 88 and 94.
- z score area between -1.425 and 1.425 find out shaded area of given data and also find probability in percentageAssume the random variable X is normally distributed with mean = 50 and standard deviation σ = 7. Find the 77th percentile. Click the icon to view a table of areas under the normal curve. The 77th percentile is (Round to two decimal places as needed.) n example Get more help - Clear all Check answerPoints: 5 10) Find the mean and standard deviation for the probability distribution. Round answers to the nearest tenth. Show your work below. P(x) .000 1 2 3 14 .002 .001 0.05 0.257 0.69 Мean Standard Deviation