Find the probability of having a sample mean less than size

Assignment Help Basic Statistics
Reference no: EM13118755

A worldwide organization of academics claims that the mean IQ score of its members is 115 , with a standard deviation of 16. A randomly selected group of 35 members of this organization is tested, and the results reveal that the mean IQ score in this sample is 114.6 . If the organization's claim is correct, what is the probability of having a sample mean of 114.6 or less for a random sample of this size?

Reference no: EM13118755

Questions Cloud

What is the concentration of ethanol : A solution is made by mixing 506 mL of water and 198 mL ethanol. What is the concentration of ethanol in units of volume/volume percent.
Which of the key vertebrate characteristics are present : Which of the key vertebrate characteristics are present in the mammalian lineage?
What percent of the pb2+ ions remain : A solution is 0.0100 M in Pb2+ ions. If 0.103 mol of solid Na2SO4 is added to 1.00L of this solution (with negligible volume change), what percent of the Pb2+ ions remain in solution.
Functions and models of cost : A wall is to be constructed around 3 sides of a rectangle of area 220 square yards, with a fence running the length of one side. The construction cost for the wall is $15 per linear yard
Find the probability of having a sample mean less than size : If the organization's claim is correct, what is the probability of having a sample mean of 114.6 or less for a random sample of this size?
Illustrate what is the radius of the track : A horse races once around a circular track in a time of 18.0 s, with a speed of 18.0 m/s. Illustrate what is the radius of the track? Give your answer in meters, but do not include units.
Which is correct element of alternation of generations : Which of the following is a correct element of alternation of generations? a. The gametophyte is haploid and produces spores. b. The gametophyte is diploid and produces gametes. c. Two spores unite to form a zygote. d. The sporophyte is haploid an..
Quadratic equation in standard form : Please find a quadratic equation in standard form to model the data in the table. A ball is hit into the air. Its height in feet, s, at time t is given by the equation s(t)=-16^2+25t+4.
All of the following are characteristics of eukaryotic : All of the following are characteristics of eukaryotic organisms EXCEPT: a. Most are multicellular b. Their cells have DNA c. Their cells have plasma membranes d. Their cells are small compared to prokaryotes e. They include plants

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