Consider the following specification. n = 9, p = 0.23, x = 4 Compute the Bernoulli trial probability. (Enter a number. Round your answer to three decimal places
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- n = 9,
- p = 0.23,
- x = 4
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- a,b,cFind the probability in each case. Appendix A Statistical Tables (Round the values of z to 2 decimal places, e.g. 15.25. Round your answers to 4 decimal places, e.g. 0.2513.)a. N=1,000,n=30,μ=70,and, σ=5;P(x¯<71.2)=? b. N=90,n=35,μ=107,and, σ=3.45;P(106<x¯<106.4)=?c. N=248,n=105,μ=36.0,and, σ=4.86;P(x¯≥37)=? d. N=6,000,n=40,μ=124,and, σ=13.3;P(x¯≤122)=?Based on a poll, among adults who regret getting tattoos, 12% say that they were too young when they got their tattoos. Assume that nine adults who regret getting tattoos are randomly selected, and find the indicated probability. Complete parts (b) through (c) below. a. Find the probability that none of the selected adults say that they were too young to get tattoos. 0.3165 (Round to four decimal places as needed.) b. Find the probability that exactly one of the selected adults says that he or she was too young to get tattoos. (Round to four decimal places as needed.) c. Find the probability that the number of selected adults saying they were too young is 0 or 1. (Round to four decimal places as needed.)
- Find the experimental probability of rolling a 2 after 50 rolls of the cube. A. 16% B. 50% C. 8 D. 8/24 (<----fraction)Find the probability and interpret the results. If convenient, use technology to find the probability. The population mean annual salary for environmental compliance specialists is about $62,500. A random sample of 42 specialists is drawn from this population. What is the probability that the mean salary of the sample is less than $59,000? Assume o = $5,900. The probability that the mean salary of the sample is less than $59,000 is (Round to four decimal places as needed.)Find the probability and interpret the results. If convenient, use technology to find the probability. The population mean annual salary for environmental compliance specialists is about $62,000. A random sample of 33 specialists is drawn from this population. What is the probability that the mean salary of the sample is less than $58,500? Assume o = 5,900. The probability that the mean salary of the sample is less than $58,500 is (Round to four decimal places as needed.) Interpret the results. Choose the correct answer below. O A. About 0.03% of samples of 33 specialists will have a mean salary less than $58,500. This is not an unusual event. O B. About 3% of samples of 33 specialists will have a mean salary less than $58,500. This is not an unusual event. OC. Only 0.03% of samples of 33 specialists will have a mean salary less than $58,500. This is an extremely unusual event. O D. Only 3% of samples of 33 specialists will have a mean salary less than $58,500. This is an extremely…
- You have just stepped into the tub to take a shower when one of your contact lenses falls out. (You have not turned the shower on yet.) Assuming that the lens is equally likely to land anywhere on the bottom of the tub, what is the probability (expressed as a PERCENT to the nearest TENTH) that it landed in the drain? Use the dimensions shown in the image below. Diagram is not drawn to scale. 36 in. - Drain: 4 in. in diameter 30 in.Giving a test to a group of students, the grades and gender are summarized below A B C Total Male 2 9 13 24 Female 3 7 11 21 Total 5 16 24 45 If one student is chosen at random, Find the probability that the student was female AND got a "A". Round answer 4 places after the decimal if needed.You try to unlock your phone using your face ID. If an attempt fails, you wait 2 seconds before trying again. This continues until the attempt succeeds and the phone unlocks. An attempt succeeds with probability 0.9, find the mean waiting time before the phone unlocks O a 2.2222 sec O b. 1.1111 sec 3.3333 sec O d. 0.1111 sec O e. 0.2222 sec Clear my choice
