my dear student as HOMEWORKLIB RULES rules is solved the first 4 questions but I solved more than that.Thank you.
A stadent asked Dr. Dars birthday at randomly. Find the probability that Dr. D APRIL (Ignore...
If a person is randomly selected, find the probability that his or her birthday is not in May. Ignore leap years. Group of answer choices a) 31/365 b) 31/334 c) 11/12 d) 334/365
The data table contains frequency distribution of the heights of the players in a basketball league. a. Calculate the mean and standard deviation of this population. b. What is the probability that a sample mean of 40 players will be less than 69.5 in.? c. What is the probability that a sample mean of 40 players will be more than 71 in.? d. What is the probability that a sample mean of 40 players will be between 70 and 71.5...
5. Find the moment generating function of the continuous random variable X whose a. probability density is given by )-3 or 36 0 elsewhere find the values of μ and σ2. b, Let X have an exponential distribution with a mean of θ = 15 . Compute a. 6. P(10 < X <20); b. P(X>20), c. P(X>30X > 10), the variance and the moment generating function of x. d.
For a discrete random variables X, the probability distribution is given by Find the mean a. Find the standard deviation σ b. c. Find (3)
the graph of a distribution of data shows that the graph is ww. A) Median is a better measure of central tendency B) Midrange is a better measure of central tendency C) Mean is a better measure of central tendency D) Mode is a better measure of central tendency then the 31) The number of student member of students enroll the median number of students 65 66 67 66 67 70 67 70 71 68 A) 67 students B) 70...
Find the indicated probability assuming that x is a random variable with a normal distribution with the given mean and standard deviation. (Round your answer to four decimal places.) P(68 ≤ x ≤ 204), μ = 16, σ = 80
A random sample of 30 male college students was selected, and their heights were measured. The heights (in inches) are given below. 67 69 70 69 67 66 73 69 70 67 73 69 68 68 69 73 72 67 68 71 73 71 71 72 70 67 66 74 68 72 (a) Complete the frequency distribution for the data. Make sure to enter your answers for the relative frequency as decimals, rounded to the nearest tenth. Height Frequency Relative...
A normal distribution has a mean of μ = 80 with σ = 12. Find the following probabilities. (a) p(X > 83) (b) p(X < 74) (c) p(X < 92) (d) p(71 < X < 89)
2. The Pareto random variable with parameters a > 0 and B >0 has probability density function (a) Verify that fx is a density function. (b) Find P[X> 3a) (c) Find the mean and variance of X. What restriction do you have on 3 in computing the mean and variance (a different restriction for each)? (d) Use the probability transform to simulate 1000 Pareto random variables with α-1 and β-5 and find their sample mean and variance. Compare this to...
The mean temperature for the month of July in Boston, Massachusettsis 73 degrees Farenheit. Plot the following data, which represent the observed mean temperature in Boston over the last 20 years. 1998 7 999 69 2000 78 2001 70 2002 67 2003 74 2004 73 2005 65 2006 77 2007 71 2008 75 2009 68 2010 72 2011 77 2012 65 2013 79 2014 77 2015 78 2016 72 a. Is this a normal distribution? Explain your reasoning. b. What...