5) One year, the distribution of salaries for professionalsports players had mean $1.6 million and standarddeviation $0.8 million. Suppose a sample of 400 majorleague players was taken. Find the approximateprobability that the average salary of the 400 players thatyear exceeded $1.1 million.B) approximately 1D) .7357A) approximately 0C) .2357CENTRAL5.tabH.caps lockreturnhiftshiftcontroloptioncommandcommandoptian4o21-30 OFFOFPdesELORIDARAIN

The probability that the average salary of the 400 players that year exceeded by $1.1 million is…

Answered: 5) One year, the distribution of…

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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48) At a tennis tournament a statistician keeps track of every serve. The statistician reported that the mean serve speed of a particular player was 97 miles per hour (mph) and the standard deviation of the serve speeds was 11 mph. Assume that the statistician also gave us the information that the distribution of the serve speeds was bell shaped. What proportion of the player's serves are expected to be between 119 mph and 130 mph? A) 0.997 B) 0.0235 C) 0.95 D) 0.047
2) The 40 monthly sales amounts of a particular product in a market are given in the table below. According to these data, make the Frequency table and for classified data a) Calculate the arithmetic mean, mode and median values. b) Find the quarter values of Q1 and Qa. c) Calculate the population variance and standard deviation values. d) Calculate the coefficient of variation.
Suppose that the middle 95% of score on a statistics final fall between 60.67 and 90.75. Give an approximate estimate of the standard deviation of scores. Assume the scores have a normal distribution. Question 7 options: 1) 15.04 2) 75.71 3) 3.76 4) -7.52 5) 7.52
Suppose we want to know the mean number of shurikens thrown each night by ninjas in Konoha village. Getting this information from every ninja in the village would take forever. Instead, we randomly select 20 ninjas from the ninja school that is closest to us. a. Identify the population of interest in this survey b. Describe the parameter of interest in this survey. c. Identify the sample of interest in this survey.
Practice Questions. Question 1 Suppose that the duration of a particular type of criminal trial is known to be normally distributed with a mean of 21 days and a standard deviation of seven days. a. Fill in the blanks. X~ b. If one of the trials is randomly chosen, i) Find the probability that it lasted at least 24 days. ii) Find the probability that it lasted between 20 and 26 days. iii) Find the probability that lasted 27 days. Question 2 The average number of times per week that Mrs. Plum's cats wake her up at night because they want to play is ten. We are interested in the number of times her cats wake her up each week. a) What distribution does X=the number of times her cats wake her up each week represent? b) Find the probability that her cats will wake her up no more than five times next week. c) Find the probability that her cats will wake up four times next week. d) Find the mean and deviation of the given distribution Question 3 It has been estimated that only about 30% of…
b.
what is the median numebr of touchdowns
Consider the data set. 2, 4, 5, 6,9 c) Use the defining formula to compute the population standard deviation o. (Round your answer to two decimal places.)
Find the mean, median, mode (if applicable), range, and standard deviation. Round to 2 places when possible Problem 1 500 502 498 369 510 500 457 a mond dw to sorimun Problem 2 12 9 11 15 24 30 14 10 Problem 3 it om olT o bu b bba toil anh 3.5 4.1 6.3 2.9 3 2.5 3.7 4. did dim d ablodond lo lm
Consider the data from the Anthropology 105 class. The mean for women is 64.33 in and the standard deviation is 2.64 in. The average height of men in the US is approximately 5ft 10in. What proportion of women represented here are shorter than the average man?
PLS. Solve Quickly Applications Problems According to a Sallie Mae survey and credit bureau data, in 2008, college students carried an average of $3173 debt on their credit cards (USA TODAY, April 13, 2009). Suppose that cur- rent credit card debts for all college students have a normal distribution with a mean of $3173 and a standard deviation of $800. Find the probability that credit card debt for a randomly se- lected college student is between $2109 and $3605.
3.4.5 5. Suppose the length of time of a whale's song is normally distributed with mean 12.5 minutes and standard deviation 2.6 minutes. a. Find the probability that a whale's song will last more than ten minutes. b. Find the probability that a whale's song will last between eight and sixteen minutes. c. Find the probability that a whale's song lasts less than five minutes or longer than twenty minutes. d. Find the length of time such that only 5% of whale's songs last longer than that length of time. e. Find the length of time such that only 10% of whale's songs are shorter than that length of time.

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