Compute standard deviation of sampling distribution

Assignment Help Basic Statistics
Reference no: EM133265267

The amount of time it takes students to complete a biology exam is normally distributed with a population mean of u=120 minutes and a standard deviation o=30 minutes. Given samples of 25 randomly selected students, compute the standard deviation of the sampling distribution of X

Reference no: EM133265267

Questions Cloud

Estimated standard deviation : Part 1 of 2 O Points: 0 of 1 K The brain volumes (cm ) of 50 brains vary from a low of 914 cm to a high of 1496 cm . Use the range rule of thumb to estimate the
Difference between mean and median : a. Describe how to use class width to determine class limits. b. Describe the difference between mean and median.
Probability that two randomly selected 5-year-old male : The probability that a randomly selected 5-year-old male feral cat will live to be 6 years old is 0.98022.
Federal viewpoint survey data : Using part of the 2019 Federal Viewpoint survey data part of the 2019 Federal Viewpoint survey data. It is the data for the Department of Homeland Security.
Compute standard deviation of sampling distribution : The amount of time it takes students to complete a biology exam is normally distributed with a population mean of u=120 minutes and a standard deviation o=30 mi
Approximate 90th percentile of mark distribution : Marks on a Chemistry test follow a normal distribution with a mean of 65 and a standard deviation of 12. What is the approximate 90th percentile of the mark dis
Determine whether the tail is on the right : Determine whether the tail is on the right or left side of the line and find the proportion in the tail for EACH. a. z = 1.00 b. z = 0.50 C. Z = -1.25 d. z = -0
Distribution of heights for a population of individuals : The distribution of heights for a population of individuals between the ages of 12 and 40 who suffer from fetal alcohol syndrome is approximately normal with un
Probability of an event : Knowing that the probability of an event A is 0.25, the probability of an event B is 0.2, and the probability of B given A is 0.37, what is the probability of A

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