Question: Assume a normal distribution and that the average phone call in a certain town lasted 11 min, with a standard deviation of 2 min.

Assume a normal distribution and that the average phone call in a

Assume a normal distribution and that the average phone call in a certain town lasted 11 min, with a standard deviation of 2 min. What percentage of the calls lasted less than 5 min? What percentage of calls last less than 5 min? (Type an integer or a decimal.)

Step by Step Solution

★★★★★

3.40 Rating (166 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

suppose x is duration of ... View full answer

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 Mathematics Questions!

Australian Limited is an Australian manufacturer of Merino wool sweaters. To expand their business, Australian Limited looked to foreign acquisitions to increase their market share. Therefore, on 1...

The following additional information is available for the Dr. Ivan and Irene Incisor family from Chapters 1-5. Ivan's grandfather died and left a portfolio of municipal bonds. In 2012, they pay Ivan...

prepare for Meng Kong a) an income statement for the year ended 31st december b) A Balance sheet as at 31st December 2018

Planning is one of the most important management functions in any business. A front office managers first step in planning should involve determine the departments goals. Planning also includes...

The two graphs below are isomorphic. a3 a1 05 a2 a4 f(a): = W3 W1 = W5 (a) Exhibit an isomorphism by mapping the vertices of the first graph with the vertices of the second graph with f(a)= f(a3)...

Assume a normal distribution and that the average phone call in a certain town lasted 4 min, with a standard deviation of 1 min. What percentage of the calls lasted less than 3 min? What percentage...

If a household appliance has a wattage of 8,013 and is in use for 3 hours, how much CO2 was produced? Round to 1 decimal. A heating pad takes 4,254 Watts during each time it is turned on. If you only...

Data from Ivy Tech's advising center shows the wait times as a normal distribution with the average as 20 min and a standard deviation as 5 min. Using the empirical rule, what percent of students...

Ali works in a laundry of a university dormitory. The average time between arrivals of students at this laundry follows an exponential distribution with an average of 4 0 minutes. Each student brings...

question 1 Data from Ivy Tech's advising center shows the wait times as a normal distribution with the average as 20 min and a standard deviation as 5 min. Using the empirical rule, what percent of...

You helped me a couple of weeks ago. I was wondering if i could setup a time for tomorrow that you could be available to help me with some questions. I will pay $20 per question. They are short and I...

During 2019 Harry had the following: Net Employment Income $71,000 Net Rental Loss ( 18,000) Interest Income 1,000 Eligible Dividends Received 8,000 Taxable Capital Gains 10,300 Allowable Capital...

Suppose that scientists discover a new method of harnessing nuclear fusion as a practical energy source. At the moment, the method is still on the drawing boards, but it is clear that within 10 years...

A car travels from a point A with position vector (60i40j) km to a point B with position vector (- 50i + 18j) km. The car travels with constant velocity and takes 5 hours to complete the journey....

On September 1, 2021, Sunland Corporation acquired Carla Vista Enterprises for a cash payment of $951,200. At the time of purchases, Carla Vista's balance sheet showed assets of $707,600, liabilities...

During acylation of ferrocene, what is the purpose of adding NaOH?

The December 31, 2020 inventory of Crane Company consisted of four products, for which certain information is provided below. Product Original Cost Replacement Cost Estimated Disposal Cost Expected...

Calculate the heat loss per m2 of outside surface area for a heated sphere 15 cm diameter covered with 50 cm insulation with thermal conductivity 0.057 kcal/hmC. The inside and outside temperature of...

The following company information is available. The direct materials quantity variance is: Direct materials used for production 36,000 gallons Standard quantity for units produced 34,400 gallons...

Is%. ALEKS - ONLINE Calculus I SeALEKS - Tiffany Truong - Learny.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNsIkr7j8The graph of the pipiecewise linear function g is shown below. Use(8,2)36g(x)dx=CheckIs%....

For a data set obtained from a sample, n = 81 and . It is known that = 4.8. a. What is the point estimate of ? b. Make a 95% confidence interval for . c. What is the margin of error of estimate for...

Find the following confidence intervals for d, assuming that the populations of paired differences are normally distributed. a. n = 12, = 17.5, sd = 6.3, confidence level = 99% b. n = 27, = 55.9,...

The following table gives a two-way classification of all basketball players at a state university who began their college careers between 2004 and 2008, based on gender and whether or not they...

Kai operates the Surf Shop in Laie, Hawaii, which designs, manufacturers, and customizes surf boards. Hawaii has a 4 percent excise tax technically paid by the seller. However, the state also allows...

Root Beer, Inc. (RBI) is incorporated and headquartered in Seattle, Washington. RBI runs an internet business, makerootbeer.com, and sells bottling equipment and other supplies for making homemade...

What is the difference, if any, between the state of a business's commercial domicile and its state of incorporation?