For the standard normal variable Z, find the probability P(3.58 < Z < 3.93): P(3.58< Z<3.93) = Submit Question (Round the answer to 4 decimal places)
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A: P(Z>-3.24) = 1-P(Z< or = -3.24) Press 2ND and VARS Choose normalcdf
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Q: Find the probability using the normal distribution. Use a TI-83 Plus/TI-84 Plus calculator and round…
A: We have to find P( Z > -1.65 ) Graphically , We have to find shaded area. Z is standard…
Q: Assume that the probability of a being born with Genetic Condition B is p = 7/12. A study looks at a…
A: From the given information, Consider, Sample size (n) = 607 Sample proportion (p) =7/12
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A: We have given that p = 11/30 n = 107
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A: Mean = 0 sigma =1 z-score = -1.28
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- Assume that thermometer readings are normally distributed with a mean of 0°C and a standard deviation of 1.00°C. A thermometer is randomly selected and tested. For the case below, draw a sketch, and find the probability of the reading. Between 1.50 and 2.25If n=7 (days in a week) and p=0.45 (the probability that the food truck operates on a single day), determine the theoretical mean and standard deviation for the number of days open in a week. Use Excel and the information given in part above (n=7, p=.45) to determine the probability that the number of days open in a week is 5 days.Assume that a root beer factory’s production is normally distributed with a mean of 100,000 gallons of root beer per day and a standard deviation of 25,000 gallons per day. Using the standard normal table, determine the probability that the factory produces more than 85,000 barrels of root beer in a given day. Round your answer to 4 decimal places
- Consider the probability that exactly 89 out of 149 students will pass their college placement exams. Assume the probability that a given student will pass their college placement exam is 61 % . Approximate the probability using the normal distribution. Round your answer to four decimal places.Measurements for the length and width of rectangular plastic covers for CDs are rounded to the nearest mm. Let X denote the length and Y denote the width. Assume that the joint probability of X and Y is represented by the following table: x = length, y = width 129 130 131 15 0.12 0.42 0.06 16 0.08 0.28 0.04 What is the probability distribution of X?K- The average number of acres burned by forest and range fres in a large county is 3,800 acres per year, with a standard deviation of 550 acres. The distribution of the number of acres burned is normal a Compute the probability that more than 4,000 acres will be burned in any year b. Determine the probability that fower than 3,000 acres will be burned in any year What is the probability that between 2,500 and 3,400 acres will be burned? d in those years when more than 4,500 acres are burned, help is needed from eastern region fire teams Determine the probability help will be needed in any year CRED
- In a family with 10 children the p probability of a boy =0.5. Find the exact probability of less than 2 boys. And find the normal approximate probability of less than 2 boys. O A. Exact = 0.550, Approx = 0.570 %3D B. Exact = 0.005, Approx = 0.007 OC. Exact = 0.055, Approx = 0.057 %3D OD. Exact = 0.055, Approx = 1.0 %3DAssume that the probability of a being born with Genetic Condition B is p = 7/60. A study looks at a random sample of 826 volunteers. Find the most likely number of the 826 volunteers to have Genetic Condition B. (Round answer to one decimal place.) H = Let X represent the number of volunteers (out of 826) who have Genetic Condition B. Find the standard deviation for the probability distribution of X. (Round answer to two ecimal places.) 0 = Use the range rule of thumb to find the minimum usual value µ-20 and the maximum usual value μ+2o. Enter answer as an interval using square-brackets only with whole numbers. usual values =Assume that the probability of a being born with Genetic Condition B is p = 11/60. A study looks at a random sample of 1384 volunteers. Find the most likely number of the 1384 volunteers to have Genetic Condition B. (Round answer to one decimal place.) μ = Let X represent the number of volunteers (out of 1384) who have Genetic Condition B. Find the standard deviation for the probability distribution of X. (Round answer to two decimal places.) 0 = Use the range rule of thumb to find the minimum usual value µ-20 and the maximum usual value μ+20. Enter answer as an interval using square-brackets only with whole numbers. usual values=
- Assume that adults have IQ scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20 . Find the probability that a randomly selected adult has an IQ less than 95 a. Find the z-score: z = nothing (round to 2 decimal places) b. Find the probability: nothing (use 4 decimal places)Find the indicated probability and interpret the result. From 1975 through 2020, the mean annual gain of the Dow Jones Industrial Average was 653. A random sample of 33 years is selected from this population. What is the probability that the mean gain for the sample was between 400 and 800? Assume σ = 1540. The probability is ☐ (Round to four decimal places as needed.)The mean height of women in a country (ages 20 - 29) is 64.3 inches. A random sample of 50 women in this age group is selected. What is the probability that the mean height for the sample is greater than 65 inches? Assume o = 2.84. The probability that the mean height for the sample is greater than 65 inches is (Round to four decimal places as needed.) ve 10 e.dc Enter your answer in the answer box. for df 20