Computing the probability associated with the sample mean

Assignment Help Basic Statistics
Reference no: EM132188532

Historically, the average score for QM520 test #1 has been 86 with a standard deviation of 3. If there are 17 students in the class, this semester, compute the z score that allows computing the probability associated with the sample mean score being less that 67.

Reference no: EM132188532

Questions Cloud

What is the upper confidence limit : With 80% confidence, for sample proportion 0.50 and sample size 30, what is the upper confidence limit with 2 decimal places?
Reflect tax increase : Is there another number that could be used to reflect this tax increase? What would is it?
Find the probability for rolling a 1 : A probability experiment cosists of rolling a fair 8 sided die. Find the probability for rolling a 1.
Conventional methods and infants held by mothers : Calculate a 99% confidence interval for the mean difference in mean crying time after being given a vitamin K shot between infants held using conventional
Computing the probability associated with the sample mean : Compute the z score that allows computing the probability associated with the sample mean score being less that 67.
Fashion creative direction analysis of dolce and gabanna : FADS 3309 Prepare Fashion Creative Direction Analysis of Dolce and Gabanna
State the conclusion in context of problem : a) What are the Ho and HA? b)Wha is the p-value? c) State the conclusion in context of this problem.
Should the company keep or drop football helmets : Sports Hats, Etc. has two product lines: baseball helmets and football helmets, Should the company keep or drop Football Helmets
Upper confidence limit with 2 decimal places : With 80% confidence, for sample proportion 0.56 and sample size 24, what is the upper confidence limit with 2 decimal places?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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