Standard deviation of the number of defective

Assignment Help Basic Statistics
Reference no: EM132581027

1. The probability of a potential employee passing a training course is 86%. If you selected 15 potential employees and gave them the training course, what is the probability that more than 12 will pass the test?

2. Off the production line, there is a 4.6% chance that a candle is defective. If the company selected 50 candles off the line, what is the standard deviation of the number of defective candles in the group?

3. A survey found that 39% of all gamers play video games on their smartphones. Ten frequent gamers are randomly selected. The random variable represents the number of frequent games who play video games on their smartphones. What is the value of n?

Reference no: EM132581027

Questions Cloud

What are the key symptoms of groupthink : What are the key symptoms of groupthink? How does this phenomenon occur? Describe the team dynamic and how it IDEO used this effectively.
How successful have you been on addressing the goals : Do you find instances of exaggeration of symptoms or diagnostic severity (so-called "diagnostic creep") in order to retain or maximize benefits/coverage.
Correlational and regression studies : Discuss the strengths and weaknesses of correlational and regression studies; discuss concepts such as positive and negative correlations
Confidence interval for the true proportion : To do so, she selects an SRS of 200 pills. Suppose that eight of the pills have failed to retain their full potency.
Standard deviation of the number of defective : The probability of a potential employee passing a training course is 86%. If you selected 15 potential employees and gave them
Normal population with mean : A random sample of size 64 is taken from a normal population with mean 51.4 and standard deviation 6.8.
Market capitalization and economic value created : preparation for completion of this assignment: market capitalization, economic value created, sustainable strategy, business-level strategy,
Find the probability that no cars passed : (a) Find the probability that no cars passed between 5am and 6am on Monday.
What is p if you draw one card : Assume you are working with a standard deck of 52 cards. There are 13 cards (2, 3, 4, 5, 6, 7, 8, 9, 10, jack, queen, king, and ace)

Reviews

Write a Review

Basic Statistics Questions & Answers

  Calculate the usual measure of the level of uncertainty

Find the usual measure of the level of uncertainty in the percentage of loans you authorized that will never be repaid. Briefly interpret this number.

  Suppose that the number of accidents at a nuclear power

suppose that the number of accidents at a nuclear power plant in one week has a poisson distribution with mean 3 and

  Draw straight or dotted line for graphing

Draw a straight or dotted line for graphing. Most especially the below problem. Please assist. Could you also let me know what is the significance of the dotted and straight lines?

  Find the expected value of the distance

In a forest, the number of trees that grow in a region of area R has a Poisson distribution with mean AR, where A is a positive real number.

  Probability that at least one copy of documents will arrive

A package of documents needs to be sent to a given destination, and delivery within one day is important.- What is the probability that at least one copy of the documents will arrive at its destination on time?

  Define research or homework differs from the national value

We wonder if the proportion of first-year students at this university who said that they used the Internet frequently for research or homework differs.

  Company claim using the p-value

At a=0.02, what type of test is this and can you support the company's claim using the p-value?

  Determining the another survivor group

After your merge with another survivor group, you notice that a social hierarchy is emerging in this new group. How would you advise your group? Is a hierarchy beneficial? Does this help or harm your group in this new world?

  Information from the department of motor vehicles indicates

information from the department of motor vehicles indicates that the average age of licensed drivers is micro 45.7

  Apparent limits of the next higher interval

For each of the following intervals, give the interval width, the real limits, the apparent limits of the next higher interval, and the real limits of the next

  What proportion of these cars would fall into the 22 to 27

Suppose that highway gas mileage rates for both of these cares are uniformly distributed over a range of 20 to 30 mpg. What proportion of these cars would fall into the 22 to 27 mpg range? Compute the proportion of cars that get more than 28 m..

  Hypothesis test of ten automobiles

Ten automobiles were driven on a measured test track - once with standard gasoline with no additive and once with an additive supposed to increase miles per gallon (mpg). The results are given below:

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