Kindergarten children have heights that are approximately

Assignment Help Basic Statistics

Reference no: EM13610407

Kindergarten children have heights that are approximately normally distributed about a mean of 39.7 inches and a standard deviation of 2.2 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 38.9 inches? (Give your answer correct to four decimal places.)

Exact answers only please.

Reference no: EM13610407

Questions Cloud

A 50 kg crate resting on a flat smooth surface is acted : a 50 kg crate resting on a flat smooth surface is acted upon by a horizontal force that varies by the equation f1.5t

James teaches a class of 300 students and only 6 have done : james teaches a class of 300 students and only 6 have done their homework assignment which is due today. he calls on a

The temperature of the steam entering the turbine is 700 f : a rankine cycle operates between pressure limits of 500 and 2 psia. the temperature of the steam entering the turbine

A 20 kg object is pulled across a flat surface with a : a 20 kg object is pulled across a flat surface with a force of 100 n. the force is applied at a 30deg angle to the

Kindergarten children have heights that are approximately : kindergarten children have heights that are approximately normally distributed about a mean of 39.7 inches and a

Suppose 13 of american adults believe that the highest : suppose 13 of american adults believe that the highest priority of america is to protect freedom of speech. we will

What is their acceleration over this 17 cm length answer in : the electrons that produce the picture in a tv set are accelerated by a very large electric force as they pass through

In a poll 1003 adults in a country were asked whether they : in a poll 1003 adults in a country were asked whether they favor or oppose the use of federal tax dollars to fund

Determine the ratio of gross thrusts contribution to engine : the hot gas supply to a propulsion nozzle is at a pressure of 55 kpa and a temperature of 800 k. the ambient pressure

Reviews

Write a Review

Required(*) Message

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

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

Linear programming models

LINEAR PROGRAMMING MODELS

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!

Submit Assignment

User Account

All Pages