A sample of 31 data points was collected from a population

Assignment Help Basic Statistics
Reference no: EM13579656

A sample of 31 data points was collected from a population whose mean is 20 and standard deviation is 3. If a randomly selected data point is drawn, what is the probability that it is greater than 21?

a. 0.0314
b. 0.9589
c. 1.86
d. 0.0101
e. none of the above

Reference no: EM13579656

Questions Cloud

Suppose kaplan as the sole owner of sky air is considering : suppose kaplan as the sole owner of sky air is considering the purchase of a company jet for executive rather than for
An engineer in charge of process improvement wants to study : an engineer in charge of process improvement wants to study the relationship between the total number of hours of
Kermit enterprises has collected the following data on one : kermit enterprises has collected the following data on one of its products direct materials standard 4 lbs. 1.00b. 4per
A company uses activity-based costing to determine the : a company uses activity-based costing to determine the costs of its three products a b and c. the budgeted cost and
A sample of 31 data points was collected from a population : a sample of 31 data points was collected from a population whose mean is 20 and standard deviation is 3. if a randomly
A company estimates that overhead costs for the next year : a company estimates that overhead costs for the next year will be 8268000 for indirect labor and 161600 for factory
Nielson corp sells its product for 8800 per unit variable : nielson corp. sells its product for 8800 per unit. variable costs per unit are manufacturing 4800 and selling and
Te average length of crocodiles in a swamp is 115 feet : the average length of crocodiles in a swamp is 11.5 feet. if the lengths are normally distributed with a standard
Sibrel inc a manufacturing company has provided the : sibrel inc. a manufacturing company has provided the following financial data for septembersales590000variable

Reviews

Write a Review

Basic Statistics Questions & Answers

  Men and women in dual-earner marriages

A sample of 1545 men and an independent sample of 1691 women were used to compare the amount of housework done by men and women in dual-earner marriages.

  A partial anova table

Their resting heart rates were measured. A partial ANOVA table is given.

  Question regarding random sampling

A quality inspector is interested in the time spent replacing defective parts in one of the company's products. The average time spent should be at most 20 minutes per day according to company standards.

  Difference in proportions with a margin of error

How many men and women are needed to generate a 95% confidence interval estimate for the difference in proportions with a margin of error not exceeding 4%?

  Means of sampling distributions

What symbol is used to represent the mean of the sampling distribution of y-(ybar)? Explain and what symbol is used to represent one value from the sampling distribution of y-(ybar)? Explain

  Does the interval contain the correct value

Use a data to obtain 95% confidence interval using your formula from Number 7. Does your interval contain the correct value?

  Probability based on normal distribution

If the standard deviation is $89.46, find the probability that a randomly selected customer spends between $550.67 and $836.94.

  Computing median number of dependents

Compute the median number of dependents?

  State the hypotheses for the study

Define the population. State the hypotheses for the study. Decide which statistical test is appropriate and compute the test statistic (z or t). Why is the test appropriate?

  Test statistic and critical values

Calculate the appropriate test statistic to test the hypotheses related to the concern and test at 5% and 1% (indicate which test you are performing; show the hypotheses, the test statistic and the critical values and mention whether one-tailed or..

  Graphical method-multiple optimal solutions

In the graphical method, how do you know when a problem is infeasible, unbounded, or when it has multiple optimal solutions? Give a real-world example of when you could have an infeasible problem.

  Regression analysis of annual sales

Reliable Furniture is a family business that has been selling to retail customers in the Chicago area for many years. They advertise extensively on radio and TV, emphasizing their low prices and easy credit terms.

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