Suppose the true proportion of voters in the county who support a school levy is 0.65. Consider thesampling distribution for the proportion of supporters with sample size n = 218.What is the mean of this distribution of sample proportion?Mp=0.65What is the standard deviation of this distribution of sample proportion?%p=✓o (Please enter an exact answer.)0.03X(Please show your answer to 2 decimal places.) According to the historical data, 73.2% of the 20-year-olds live until 65 years old. A random sample of size46 was obtained. Let be the proportion of the sample that live until 65 years old.081. Use the Central Limit Theorem (np>10 and n(1-p)>10) to describe the probability distributionof ☎ and state its parameters and op: (Round the answers to 4 decimal places)(μp 0.7✔ , op = 0.0 x2. Find the probability that between 80% and 92% of the sample live until 65 years old.(Round the answer to 4 decimal places)N

Suppose the true proportion is p=0.65. Sample size n=218

Answered: According to the historical data, 73.2%…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Assume that the probability of a being born with Genetic Condition B is π=π=14/15. A study looks at a random sample of 173 volunteers.Find the most likely number of the 173 volunteers to have Genetic Condition B. (Round answer to one decimal place.) μ = Let XX represent the number of volunteers (out of 173) who have Genetic Condition B. Find the standard deviation for the probability distribution of XX. (Round answer to two decimal places.) σ = Use the range rule of thumb to find the minimum usual value μ-2σ and the maximum usual value μ+2σ.Enter answer as an interval using square-brackets only with whole numbers. ? Round your answer to one decimal place.usual values =
A probability density curve is described by 2 line segments. The first connects (0, 1/7) and (3.5. 1/7), and the other connects (3.5, 1/7) to the x-axis. Part A: Sketch the probability density curve as described. (Be sure to label all values) Part B: Determine the x-value where the second segment crosses the x-axis. Part C: Determine P(X 0.05). Part E: Determine the median x-value of this distribution.
Suppose that 0.7% of male professional golfers use steroids, and that Max is a male professional golfer who has been randomly selected to take a drug test. The test he has been asked to take has a false positive rate of 1% and a false negative rate of 10%. Use Bayes’ rule to calculate the probability that Max actually uses steroids if he tests positive for steroid use. Give your answer as a decimal precise to three decimal places.
TF.13 The English proficiency test scores of the students from a large high school have mean μ = 76 points and standard deviation σ = 8.8 points. Let x̄ be the average salary of a random sample of 40 students. a) Find the probability that x̄ is between 72 and 80, inclusive. b) Find the probability that x̄ is at least 77.
For the random variable X with the probability function below, answer the following questions. f(x)= { 3x^2 , 0<x<1 { 0, otherwise a. Find the cdf of X. b. Find the probability that X is less than 0.5. c. Find E(X).
Suppose that 0.6% of male professional golfers use steroids, and that Max is a male professional golfer who has been randomly selected to take a drug test. The test he has been asked to take has a false positive rate of 1% and a false negative rate of 10%. Use Bayes’ rule to calculate the probability that Max actually uses steroids if he tests positive for steroid use. Give your answer as a decimal precise to three decimal places. P=
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