Sample of kindergarten children

Assignment Help Basic Statistics
Reference no: EM131319919

Kindergarten children have heights that are approximately normally distributed about a mean of 38.8 inches and a standard deviation of 1.5 inches. If a random sample of 21 is taken, what is the probability that the sample of kindergarten children has a mean height of less than 39.4 inches? (Give your answer correct to four decimal places)

Reference no: EM131319919

Questions Cloud

Obtained t-score for this sample under : Thirteen students were randomly selected from the College of Public Health and their diastolic blood pressure was tested. The sample mean and standard deviation were 80.9 mmHg and 2.1 mmHg respectively. What is the obtained t-score for this sample..
Negligible amounts of cash and marketable securities : Chastain Corporation is trying to determine the effect of its inventory turnover ratio and days sales outstanding (DSO) on its cash conversion cycle. Chastain’s 2016 sales (all on credit) were $121,000; its cost of goods sold is 80% of sales; and it ..
Female sex offenders : He then calculated the percentages and find that 10% of females and 6% of males had reoffended and concluded that female sex offenders were more likely to reoffend than male sex offender. What is wrong with his conclusion?
Define the law or rule that applies to this case : What is the legal issue or question raised by the facts of a case. Said in another way, what is the legal issue or question the court (you) are trying to answer? Often, the chapter question provides you with the legal issue. Sometimes, you should ..
Sample of kindergarten children : If a random sample of 21 is taken, what is the probability that the sample of kindergarten children has a mean height of less than 39.4 inches? (Give your answer correct to four decimal places)
What risks company could face in entering market in mexico : Explain what risks the company could face in entering the market in Mexico. Explain how these risks might be different than those risks faced in staying in just the American market.
Is the meeting a regularly scheduled event : Where is the meeting being conducted, and what is its purpose? Is the meeting focused on communications or problem solving, or is it a meeting with no specific agenda? Is the meeting a regularly scheduled event, such as a monthly scheduled meeting ..
Why do analysts focus on operations forecasting : Why do analysts focus on operations forecasting and financial forecasting when evaluating a future event? How is operations and financial forecasting linked? Should one be performed before the other? Why?
Determine the amount of each deposit : An investor wishes to accumulate $25,000 in a fund at the end of 12 years. To accomplish this, the investor plans to make constant deposits at the end of each year, the final payment made one year prior to the end of the investment period. Determine ..

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