The following information gives the number of days absent, Ask an Expert

Statistics

The following information gives the number of days absent from work for a population of 5 workers at a small factory.

Worker----- # of days absent

A -- 5
B --- 7
C --- 1
D --- 4
E --- 8

a. Find the mean and the standard deviation for the population.

b. Samples sizes of 2 will be drawn from the population. Use the answers in part a to calculate the expected value and the standard deviation of the sampling distribution of the sample mean.

c. Find all the samples of 2 workers that can be extracted from the population. Choose the samples without replacement.

d. Compute the sample mean X bar for each of the samples in Part c.

e. Graph the sample means with the value of X bar on the horizontal axis and the corresponding relative frequency on the vertical axis.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91009195

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

The ph acidity of the liquor is critical for regulating dye

The pH (acidity) of the liquor is critical for regulating dye uptake and hence the final color. There are 5 kettles, all of which receive dye liquor from a common source. Past data show that pH varies according to a Norm ...

1 suppose that in the game of afl the mean total number of

1. Suppose that in the game of AFL the mean total number of points per match is 185 with a standard deviation of 33. Suppose that a season involves 202 matches. If the total points are normally distributed then answer th ...

According to bottledwaterorg per capita consumption of

According to bottledwater.org, per capita consumption of bottled water in the U.S. in 2012 was reported to be 30.8 gallons. Assume that the amount of bottled water consumed per person is Normally distributed with mean 30 ...

Discrete probability variablesthirtynbsppercent of

Discrete probability variables. Thirty percent of households say they would feel secure if they had? $50,000 in savings. You randomly select 8 households and ask them if they would feel secure if they had? $50,000 in sav ...

Rework problem 25 from section 41 of your text involving a

Rework problem 25 from section 4.1 of your text involving a car saleswoman. Assume that showing a car is a Bernoulli trial, and each time she shows a car, there is a probability of 0.05 that the customer will buy the car ...

The probability of someone ordering the daily special is 52

The probability of someone ordering the daily special is 52%. If the restaurant expected 96 people for lunch, how many would you expect to order the daily special?

Confidence intervals ci are one of the simpler forms of

Confidence intervals (CI) are one of the simpler forms of inferential statistics. What does the CI represent? And why does our knowledge of the Central Limit Theorem (CLT) and the empirical rule let us understand why the ...

1 a normal distribution 1) A normal distribution has μ = 28 and σ = 5. (a) Find the

1) A normal distribution has μ = 28 and σ = 5. (a) Find the z score corresponding to x = 23. (b) Find the z score corresponding to x = 41. (c) Find the raw score corresponding to z = -3. (d) Find the raw sc ...

A professor teaches two statistics classes the morning

A professor teaches two statistics classes. The morning class has 25 students and their average on the first test was 82. The evening class has 15 students and their average on the same test was 74. What is the average o ...

Lipto biomedic has credit sales of 740000 yearly with

Lipto Biomedic has credit sales of $740,000 yearly with credit terms of net 60 days, with an average collection period of 75 days. Lipto does not offer a discount for early payment. (Use 365 days in a year.) a-1. What i ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert