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Quiz Me: Quiz Me: 6.1-3 Find the probability of some range of z values in a standard nc Submit Quiz This Question: 1 pt 2 of 5 This Quiz: 5 pts possible Question Help Assume that a randomly selected subject is given a bone density test. Those test scores are normally distributed with a mean of O and a standard deviation of 1. Draw a graph and find the probability of a bone density test score less than 0. Sketch...
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CI Assume the random variable x is normally distributed with mean probability 89 and standard deviation ơ 4 Find the indicated Px 83) P(x < 83) (Round to four decimal places as needed.) Enter your answer in the answer box imal p O Type here to search 图自3 e )
13.1.25 Adults and high school students were asked four trvia questions. The number of correct answers given by each participant was recorded To the right is a table showing the results Complete parts a) through e) ults otal a) If we select a participant at random, what's the probability we choose an adult who had one correct answer? 0089 (Round to three decimal places as needed) b) Among the participants who had one correct answer, what is the probability the...
The probability is Round to four decimal places as needed.) b. it 16 adult females are randomly selected, find the probability that they have puise rates with a mean less then 78 beats per minute The probability is Round to four decimal places as needed.) c. Why can the normal distribution be used in part (b), evon though the samplo size does not xcoed 30 O A. Sinoe the distribution is of sample means, not individuals, the disibution a normal...
(a) The probability that both wil be nervous around strangers is (Round to four decimal places as needed) (b) The probability that at least one person is nervous around strangers a (Round to four decimal places as needed.)
According to a survey of 25,000 households. 49% of the people watching a special event on TV enoyed the commercials more than the event tsell. Complete parts a through e below based on a random sample of nine people who watched the special event a. What is the probability that exactly three people enjoyed the commercials more than the event? The probability is (Round to four decimal places as needed) b. What is the probability that less than four people...
Test: Final Exam This Probability The mean of the papulation Round to fwo decimal places as needed) the mean of te sample means woy why o ptea E. Do the sample meas tangel the vaue of the poqulabon mean? n generai, co sampie meas mase god en make good estrmates of popuilaton meane because the ean the population mean In general, sample means O Type here to search ID of 415 country are 36, 35, 19, 14. Assume a. After...
For a standard normal distribution, determine the probabilities in parts a through d below Click here to view page 1 of the standard normal probability table Click here to view page 2 of the standard normal probability table a, Find PCs 1 55) Plz s 155)- Round to four decimal places as needed.) b. Find P(zS-1.24) Pzs-124)- Round to four decimal places as needed) e. Find P(-083szs 1.73) P-083s2s173) FIR (Round to four decimal places as needed ) d. Find...