Standard normal distribution of getting values

Assignment Help Basic Statistics
Reference no: EM1399000

Normal distributions are extremely important in stats.

In a standard normal dist. what is the prob. of getting a value less than 1.63?
How about between 1.13 and 1.86?
How about greater than .58?

In a normal dist. with mean = 40 and std.dev. = 13, what is the prob. of getting a value less than 45?
How about between 33 and 52?
How about greater than 21?

Reference no: EM1399000

Questions Cloud

Describe the distribution of the x-bars : Describe the distribution of the x-bars that you see in part b (shape of distribution, center, and the amount of dispersion).
Means and probability-queuing theory : In the Willow Brook National Bank waiting line system (see Problem 1), assume that the service times for the drive-up teller follow an exponential probability distribution with a service rate of 36 customers per hour or 0.6 customer per minute.
What is the net ecosystem production for the earth : Studies on the global climate cycle have revealed a %u201Cmissing%u201D carbon sink (i.e., carbon being taken from the atmosphere and put into the biosphere) of approximately 3 GT/year (thought to be an underestimate of the size of the photosynthe..
Explain the criteria used for evaluating strategic options : Explain the criteria used for evaluating strategic options and detail the qualifications required to justify these. Explain why these important to the evaluation process?
Standard normal distribution of getting values : In a standard normal dist. what is the prob. of getting a value less than 1.63? How about between 1.13 and 1.86? How about greater than .58?
Analyze the criteria for establishing a cause : Analyze the criteria for establishing a cause and effect relationship with respect to health/disease and explain how these criteria can be researched by using epidemiological measures.
Description of queuing theory : What is the probability that no requests for assistance are in the system? What is the average number of requests that will be waiting for service? What is the average waiting time in minutes before service begins?
Explain how you reached your conclusion : Marketing Position Statement: Based on the find outings in Week Two, write a marketing position statement consistent with the expectations, motivations, values, attitudes and belief systems of the consumers for each of the two markets you selected..
What is the value for the concentration of calcium : What is the value for the concentration of calcium in the cytoplasm of most of your cells.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Continuous random variable uniformly distribution

Compute the pdf of continuous random variable Z where Z = X + Y and X is a continuous random variable uniformly distributed on [0, 2] and Y is a continuous random variable uniformly distributed on [0, 4]. Assume that X and Y are independent.

  Cable companies-normal distribution

Critically discuss the probability that more than 175 cable households rate cable companies as good or excellent in quality transmissions?

  Independent samples t-test

Explain your answer to someone who is familiar with the  t   test for a single sample, but not with the  t   test for independent means.

  Estimating amount of labor involved in inventory stockrooms

What would you recommend Taylor do to cut back its labor cost? (Illustrate using an ABC plan.)

  American community survey of population

The main part of the ACS contacts 250,000 addresses by mail each month, with follow-up by phone and in person if there is no response. Each household answers questions about their housing, economic, and social status. What is the Population.

  Mean waiting times in the four locations

At the 0.05 level of significance, is there evidence of a difference in the mean waiting times in the four locations? State your null and alternative hypotheses. (Note: while the small sample size could justify use of the non- parametric Kruskal-W..

  Mean daily sales for jointsoft from four modes

Jointsoft is a great over-the-counter arthritis medication, but who will ever know about it? Unfortunately, many people with arthritis tend to be elderly and rather immobile, so advertisers of arthritis medications face limitations in ways to get ..

  One proportion testing and confidence interval

Find a 99% confidence interval estimate of the proportion of people who say that they voted.

  Determining weighted mean grade

Determine her weighted mean grade? What letter grade did she earn? (A, B, C, D or F).

  Skewed distributions

For the following data set, indicate whether the shape of the distribution is normal, positively skewed, or negatively skewed. Provide evidence for your answer by calculating the mean, mode, and median.

  Iindependence of attributes by chi-square test

What is your conclusion? Are the two variables independent?

  What is the distribution with a mean of 0

Which of the following is NOT true regarding the normal probability distribution.

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