The average age of the marketing executives in an ad agency is 26, with a standard deviation of 6; the average salary of the marketing executives is P31,000, with a standard deviation of P4,000. Compare the relative variability of age and income.

Q: The number of goals scored by a college soccer team for a given season are 4, 9, 0, 1, 3, 12, 3, 7,…

A: The population mean is, μ=∑xN=4+9+0+1+3+12+3+7+4+5+8+212=5812=4.8333 The population mean is 4.8333.

Q: A real estate agent claims that a house's appraisal value is higher than its selling price on…

A: Solution : Hypothesis H0 : µ1 = µ2 + d H1 : µ1 ≠ µ2 + d Test statistic   Two sample t-test (pooled…

Q: a successful basketball player has a height of 6 feet 9 inches, or 206 cm. Based on statistics from…

A: Given,           Z -score=4.45           A basket ball player has a height of  6 feet 9…

Q: College Professors have incomes with a standard deviation that is more than $21,000. A recent study…

A:

Q: The average high temperature for Atlanta in January is 53 degrees with a standard deviation of 8.2…

A: INTRODUCTION :  To measure the variability of which series is consistent than any other then the…

Q: Private high schools often have entrance exams to assess the educational background of perspective…

A: Given Information: Brayden scored 174 on the Xavier high school admissions exam. Brayden scored 290…

Q: Find the critical​ value(s) and rejection​ region(s) for the type of​ z-test with level of…

A:

Q: A successful basketball player has a height of 6 feet 8 ​inches, or 203 cm. Based on statistics from…

A: Consider X is a random variable defined as the height of a successful basketball player.The provided…

Q: In a given school year, the ACT test mean score was 21 with a standard deviation of 4.9.  The same…

A:

Q: he cost of laptops is normally distributed with a mean of $750 and a standard deviation of $60. What…

A: GivenMean(μ)=750standard deviation(σ)=60

Q: The average age of the marketing executives in an ad agency is 26, with a standard deviation of 6;…

A: Introduction :-  We have to compare the relative variability of age and income. We will compare the…

Q: A set of wrist watch prices are normally distributed with a mean of 76dollars and a standard…

A: From the provided information, Mean (µ) = 76 Standard deviation (σ) = 10 X~N (76, 10) Here X be a…

Q: The cruising altitudes for the fleet of one commercial airliner are normally distributed with a mean…

A: It is given that the mean is 34,950 and the standard deviation is 1,800.

Q: In some reports, the mean and coefficient of variation are given. For instance, one report gives the…

A: given data  cv = 1.9% μ = 3.2σ = ?

Q: The prize for winning a contest can be chosen from category A or category B. Prizes from category A…

A: Mean is which it is used to find the central tendency of the data. The other two being median and…

Q: The following are two data sets on car dealership sales at two dealerships. Which data set has the…

A: The standard deviation formula: standard dveiation = ∑xi-x2n-1Here,Xi= sample valuesx = sample meann…

Q: The weights of men are normally with a mean of 172 pounds and a standard deviation of 29 pounds.…

A: Let X be the random variable from normal distribution with mean (μ) = 172 and standard deviation (σ)…

Q: The amount of Jen's monthly phone bill is Normally distributed with a mean of $ 76 and a standard…

A: Answer: Using the given data, Let X: Jen's monthly phone bill amount X is normally distributed with…

Q: The average chef at a restaurant earns $17 an hour with a deviation of $1.75. What are the chances…

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Q: a set of piano prices are normally distributed with a mean of 3000 dollars and a standard deviation…

A:

Q: Professor Ivy’s students have a Mean grade of 69.5 and a Standard Deviation of 6.5.  If Johnny has…

A: From the provided information, Mean (µ) = 69.5 Standard deviation (σ) = 6.5 Let X be a random…

Q: The mean grade of in the final examination in Mathematics was 85 and the standard deviation was 7.…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: If the mean score on a math quiz is 12.6 and 38.2​% of the students in your class scored between…

A: Mean = 12.6 area between 11.1 and 14.1 is 38.2%

Q: A person in the U.S. eats about 25 pounds of M&M's per year with a standard deviation of 3 pounds.…

A: Solution: Given  μ= 25 Pounds  Population meanσ= 3 Pounds Population standard deviations Assumed…

Q: An incoming MBA student took placement exams in economics and mathematics. In economics, she scored…

A: From the provided information, In economics, she scored 82 and in math 89. The overall results on…

Q: A successful basketball player has a height of 6 feet 11 ​inches, or 211 cm. Based on statistics…

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Q: A doctor in the oncology department of a hospital surveyed the breathing rate of cancer patients.…

A:

Q: A successful basketball player has a height of 6 feet 3 ​inches, or 191 cm. Based on statistics from…

A: Given,a basketball player has a height of 6 feet 3 inchesand the Z-score =2.31

Q: A successful basketball player has a height of 6 feet 4 ​inches, or 193 cm. Based on statistics from…

A:

Q: The best male long jumpers for State College since 1973 have averaged a jump of 263.0 inches with a…

A: Given, xM=263 inchesσM =14 inches xF=201.2 inchesσF=7.7 inches Joey's average = 275 inches Carla's…

Q: The average number of newspapers for sale in an airport newsstand is 12 and the standard deviation…

A: In the given problem we have given that, the average number of newspapers for sale in an airport…