What percentage of calls are longer than thirty five minutes

Assignment Help Basic Statistics
Reference no: EM13138902

The average length of a long distance telephone call is 28 minutes with a standard deviation of five minuts. assuming the call times are normally distributed, what percentage of calls are longer than 35 minutes.

Reference no: EM13138902

Questions Cloud

Compare a lumped element model of a lossless transmission : Compare a lumped element model of a lossless transmission line (single L and C) with the distributed model. Use the following values for the transmission line in this comparative analysis.
Management is the effective utilization of human material : management is the effective utilization of human material resources to achieve the enterprise objectives ,comment.
Explain why the amount of net income differs from the amount : What amount of net income would Spartan Company report on its 2010 income statement? Explain why the amount of net income differs from the amount of the ending Retained Earnings balance.
Opportunity to students to investigate : This assignment gives the opportunity to students to investigate new area of study totally related to consumer behavior theories but happened in the real life and to fully understand why we need to understand consumers.
What percentage of calls are longer than thirty five minutes : A standard deviation of five minuts. Assuming the call times are normally distributed, what percentage of calls are longer than 35 minutes.
Double-spaced word-processed-research proposal : In one, double-spaced word-processed paragraph, describe the topic you plan to research for your issues paper. Indicate why you are interested in this topic. Be sure to write this clearly. Do not use slang or informal expression.
Define design a synchronous counter using j-k flip-flops : Design of sync counter 0010 to 1101 using JK flip flops, Design a synchronous counter using J-K flip-flops that will count from 0010 to 1101 repetitively.
Details of the imperial persepolis : A. Details of the Imperial Persepolis (1. Name, 2. Date, 3. Artists (if available), 4. Medium)
Write down the expression for the frequency-dependent : Write down the expression for the frequency-dependent open-loop gain of an operational amplifier. Sketch the magnitude of the open-loop gain of an operational amplifier as a function of frequency. Explain what is meant by a `single-lag' response o..

Reviews

Write a Review

 

Basic Statistics Questions & Answers

  Normal distribution probabilities with excel

This is an Excel sheet that calculates both probabilities and percentiles for any normal or standard normal probability distribution. Replaces normal probability tables.

  Explain research methods which runs the greatest risk

You are conducting a study for which it is critical that the findings be representative of the population of interest. Which of the following research methods runs the greatest risk.

  Determining experimental design and analysis

Given the following information about a hypothesis test of the difference between 2 means based on independent random samples, what is the correct rejection region at a significance level of .05?

  Distinct curved pattern in the plot

A researcher measures a response variable Y and explanatory variable X on each of several objects. A scatterplot of the measurements is as follows.

  Qualitative and quantitative variables

The Acme School of Locksmithing has been accredited for the past 15 years. Discuss how this information might be interpreted as a

  How many women expect to have a heart rate less

Standard deviation of 4 beats per minute. If 300 women are examined, how many would you expect to have a heart rate less than 75?

  Number of consumer complaints against u.s. airlines

Data in table represent number of consumer complaints against major U.S. airlines. If one complaint from table is arbitrarily chosen, determine the probability that it was filed against United Airlines.

  Find probability that the value of portfolio is in range

A client has an investment portfolio with mean value is equal to 4500 USD, with a standard deviation of 300 USD. What is the probability that the value of her portfolio is between 3900 USD AND 5400 USD?

  Information about statistics-hypothesis testing

The average monthly cot for a studio apartment in NYC is reported to be $1,000. You want to prove that average monthly rent is not what is stated.

  Explain management for all executives in the firm

Another location if it meant a substantial promotion. Based on these findings, write a brief note to management regarding all executives in the firm.

  Explaining intersection of two mutually exclusive event

Intersection of two mutually exclusive events: can be any value between 0 to 1, must always be equal to 1.

  Sample size for predicting the population mean

what sample size should be used in the funding decision study? Use σ = $4000 as a planning value.  ________________

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