Find probability of receiving four calls in five minutes

Assignment Help Basic Statistics
Reference no: EM13125445

Phone calls arrive at an average rate of 25 per hour at the Information Technology Help Desk of a large organization during normal office hours. Use appropriate Excel functions to solve the following questions: Compute the probability of receiving four calls in a five-minute interval of time.

Reference no: EM13125445

Questions Cloud

What is enterprise risk management : Visit the Institute of internal auditors website and focus on the frequently asked questions section. Explain How internal and external auditors differ and how they relate. In addition, what is Enterprise Risk management(ERM) and what role in it d..
Calculate the molar concentration of oh - ions : Calculate the molar concentration of OH - ions in an 01.33 M solution of hypobromite ion, BrO- (Kb = 4.0 10-6).
Discuss the significant differences between two approaches : The convergence process is likely to lead to the acceptance of the IFRS approach. Explain whether or not you agree with this decision.
How can diacetylmorphine be ionised in the blood : How can diacetylmorphine be ionised in the blood and what will the effects of this be on the molecule in circulation? (I assume that it will be more soluble?)
Find probability of receiving four calls in five minutes : Use appropriate Excel functions to solve the following questions: Compute the probability of receiving four calls in a five-minute interval of time.
Calculate the gross margin for fifo and lifo method : Determine the costs assigned to ending inventory and to cost of goods sold using LIFO. Calculate the gross margin for FIFO and LIFO method.
Explain how many colony-forming units : Ten grams of hamburger were added to 90 mL of sterile buffer. This was mixed well in a blender. One-tenth of a mL of this slurry was added to 9.9 mL of sterile buffer.
What is the pressure inside a system : What is the pressure inside a system when the system-side column in an open mercury manometer is 75.0 mm lower than the atmosphere side when the atmospheric pressure is 735 mm Hg.
Elucidate the difference in operating income for january : Elucidate the difference in operating income for January, February, and March under variable costing and absorption costing.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Describe the shape of the sampling distribution

What is the standard deviation of the sampling distribution of p(hat) the proportion of all rolls of the die that show a 1 or a 2? 3.) describe the shape of the sampling distribution of p(hat).

  Find out probability values from discrete distribution

A consumer organization estimates that over a 1-year period 17 percent of cars will require to be repaired once, 7 percent will need repairs twice, and 4 percent will require three or more repairs. What is the probability that a car chosen at rand..

  Determine the point estimate for estimating proportion

A random sample of 4000 U.S. citizens yielded 2190 who are in favor of gun control legislation. Find the point estimate for estimating the proportion of all Americans who are in favor of gun control legislation.

  Finding the student z score

If a student scored 90 points on a test where the mean score was 82.2 and the standard deviation was 5.7. What steps do I do to find out the student's z score?

  Example of a misleading correlation

Define correlation. Then give an example of a misleading correlation and an example of a meaningful correlation. With this describe the relationship between correlation and causation.

  Confidence interval estimation-hypothesis testing

Compute a 90% confidence interval for the population mean, based on the sample 25, 27, 23, 24, 25, 24, and 59. Change the number from 59 to 24 and recalculate the confidence interval.

  Hypothesis testing of coke cans

Coke cans: n=36, mean of values in sample = 12.19 oz., s= 0.11 oz. Test the claim that the mean equals 12 oz. Use a significance level of alpha = 0.02.

  Estimating the mean length of time

A physician wanted to estimate the mean length of time  µ  that a patient had to wait to see him after arriving at the office.

  Likelihood of the sample mean

What is the likelihood the sample mean is greater than $22.50 but less than $25.00?

  Estimate the difference in the mean bmi between boys-girls

An investigator wants to design a study to estimate the difference in the mean BMI between boys and girls age 12 living in new york city. How many boys and girls are needed to ensure 95% confidence interval estimate for the difference in mean BMI ..

  Estimate the true population mean gasoline tax

A random sample of gasoline taxes (in cents) is shown here for 12 states. Use the data to estimate the true population mean gasoline tax with 90% confidence. Does your interval contain the national average of 44.7 cents?

  Complete and report anova table for this design

In the Distance problems, the kids are given a Rate (speed) that a vehicle is going, as well as a Time that the vehicle travels, and asked to calculate the Distance travelled. In the Rate problems they are asked to compute Rate from the other two ..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd