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Central Limit Theorem

Calculation of Mean & Standard Deviation in STATDISK

Using Statdisk 1. Assume all dice have 6 sides, a. simulate the rolling of a single die 800 times (select data than dice generator). Use copy/paste to copy the results to the descriptive statistics and histogram modules, and enter results One Die Mean_____________ Standard Deviation________

SAT Scores and the Central Limit Theorem

Would you be able to baby step walk me through the formulas needed to solve this problem? ie; step 1, step 2, etc. Maybe you could use a similar problem to this one so I can at least understand the process I need to do to get this answer? This book I have does not simplify and step through the method for solving this in a way

Importance of the Central Limit Theorem

Why is the Central Limit Theorem so important to the study of sampling distributions? A. It allows us to disregard the size of the sample selected when the population is not normal B. It allows us to disregard the shape of the sampling distributions when the size of the population is large C. It allows us to disregard

Central limit theorem question

State the Central Limit Theorem The time spent by a factory worker A packing a box is a random variable with mean 3.5 minutes and standard deviation 1 minute. The times spent packing any two boxes are independent. (i) What is the approximate probability that he packs 100 boxes in less than 6 hours? (ii) What is the appr

Problem Set-up: Sampling Methods and the Central Limit Theorem

I need help setting this up: The area of study is Sampling Methods and the Central Limit Theorem. Consider the digits in the phone numbers on a randomly selected page of your local phone book a population. Make a frequency table of the final digit of 30 randomly selected phone numbers. For example, if a phone number is 55

Prob Set-up: Sampling Methods and the Central Limit Theorem

The area of study is Sampling Methods and the Central Limit Theorem Consider all of the coins (pennies, nickels, quarters, etc.) in your pocket or purse as a population.Make a frequency table beginning with the current year and counting backward torecord the ages (in years) of the coins. For example, if the current year is 20

Assume men's weights are normally distributed...

Assume men's weights are normally distributed with a mean of 172 lb and an s.d. of 29lb. If one selected find P his weight is between 163 and 176lb. Part B is my problem-using the central limit theorem, if 16 men are randomly selected, find the P they have a mean weight between 166lb and 176 lb. The answer is not .5118 bu

Central Limit Theorem

U=143lb, Standard Deviant = 29 lb a) If 1 woman is randomly selected, find the probability that her weight is above 140 b) If 100 women are randomly selected, find the probability that they have a mean of over 140 lb. I believe the theroem is used only on part b.

Central Limit Theorem and single sample hypothesis test,,.

A spokesman for a popular television game show claims that contestants on the show win an average of $1200. In a random sample, 35 contestants were questioned on the amount of money they had won in order to test the hypothesis. The null hypothesis or Ho: the population mean equals $1200, The alternative Hypothes

Central limit theorem/sampling distribution of a sample mean

A bottling company uses a filling machine to fill plastic bottles with cola. The bottles are supposed to contain 300 milliliters. In fact, the contents vary according to a normal distribution with mean=298 ml and standard deviation=3 ml. a)What is the probability that an individual bottle contains less than 295 ml? b)What is t

Central limit theorem/Sampling distribution of a sample mean

An SRS of 400 American adults is asked, "What do you think is the most serious problem facing out schools?" Suppose that in fact 30% of all adults would answer "drugs" if asked this question. The proportion X of the sample who answers "drugs" will vary in repeated sampling. In fact, we can assign probabilities to values of X us