Question: the avarage i need a and b please The average monthly cable bill in 2016 has been reported to be $112. Assume monthly cable bills

the avarage

i need a and b

please

The average monthly cable bill in 2016 has been reported to be $112. Assume monthly cable bills follow a normal distribution with a standard deviation of $8.75. a. What is the probability that a randomly selected bill will be 1. less than $110? 2. less than $120? 3. exactly $120? 4. between $105 and $115? b. Which monthly cable bill represents the 75th percentile? a. 1. The probability is (Round to four decimal places as needed.)

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Economics Questions!

please show the easiest explanation and steps 6.EOC.37-E Question HeIpV Q According to a national agency. the average cost of care for an infant in a child-care center in a particular state was...

The average monthly cable bill in 2016 has been reported to be $113. Assume monthly cable bills follow a normal distribution with a standard deviation of $9.50. a. What is the probability that a...

The average U.S. monthly cable bill in 2016 has been reported to be $103. Assume monthly cable bills follow a normal distribution with a standard deviation of $9.50. a. What is the probability that a...

A January 2010 article on money.cnn.com reported that the average monthly cable bill in the United States was $75. The article also stated that the annual percentage increase in the average monthly...

The average U. S. monthly cable bill in 2012 has been reported to be $ 86. Assume monthly cable bills follow a normal distribution with a standard deviation of $ 9.50. a. What is the probability that...

The average U.S. monthly cable bill in 2012 has been reported to be $86. Assume monthly cable bills follow a normal distribution with a standard deviation of $9.50. a. What is the probability that a...

CHAPTER 9 Hypothesis Tests CONTENTS 9.4 POPULATION MEAN: UNKNOWN One-Tailed Test Two-Tailed Test Summary and Practical Advice 9.5 POPULATION PROPORTION Summary 9.6 HYPOTHESIS TESTING AND DECISION...

show me the easiest steps 9.EOC.44-E Question Help V 0 According to a 2016 report. 41% of 18-1020-yearold students use credit cards for everyday purchases. Suppose a local bank believes that this...

this is the figure Do some energy and cost saving analysis if ice storage is to be adopted for Air conditioning purposes for a space that has a sensible cooling load of 100 kW and a latent heat load...

Briefly summarizethe companyandits businesses. Define clearly and conciselythe strategic challenges facing the industry and firm today(you will need toupdate the case information with outside...

Solve Problem using Gauss-Jordan elimination. 2x1 + 3x2 + 5x3 = 21 x1 - x2 -5x3 = -2 2x1 + x2 -x3 = 11

As you consider various development strategies for the TIMS system, you receive specific directions from your supervisor, Jesse Baker. She wants you to determine whether vertical software packages...

The current gold price is about $ 9 2 0 per ounce ( oz ) of gold. The Rand / USD ( United States Dollar ) exchange rate is 1 US $ = R 1 8 . 3 0 . 1 0 0 0 g = 3 5 , 2 7 3 9 2 oz What is the price of...

https://media.cheggcdn.com/media/e59/e5900ba1-02b0-44ab-8246-fb980e24e7c1/phpDkQ6Ux

7. You just accepted a campus job helping to raise money for your schools athletic program. You are told to draft a fund-raising letter. The bottom of the letter asks recipients to write down a...

2. Why do behavioral economists consider it helpful to base a theory of economic behavior on the actual mental processes that people use to make decisions? Why do neoclassical economists not care...

LO8.3 Relate how prospect theory helps to explain many consumer behaviors, including framing effects, mental accounting, anchoring, loss aversion, and the endowment effect.