Compute the expected value for the data

Assignment Help Basic Statistics
Reference no: EM13153824

A health club has 6 tennis courts. the owner hypothesizes that his patrons have no preference for a particular court. he observes how many people play on each court on a particular day. compute the expected value for the data shown below
court number of players
1 9
2 10
3 11
4 6
5 14
6 7

a)4.37 b)10.3 c)9.5 d)5.72

A biologist had mice and rats run through a maze and recorded the number that finished the maze successfully and the number that did not. this table lists the results of the study. at a=.05, test the claim that the rodent type and the success of finishing the maze are related.
mice rats
finished 30 22
did not finish 36 13

a)there is evidence to reject the claim that the rodent type and the success of finishing the maze are not related because the test value 9.488>1.393
b)there is not evidence to reject the claim that the rodent type and the success of finishing the maze are not related because the test value 2.773<3.841
c)there is not evidence to reject the claim that the rodent type and the success of finishing the maze are not related because the test value 1.393<9.488
d)there is evidence to reject the claim that the rodent type and the success of finishing the maze are not related because the test value 3.841>2.773

Reference no: EM13153824

Questions Cloud

Find how many degrees of freedom are present : under the null hypothesis, what is the expected number of product A that would be sold by office 2. A contingency table is made up of 8 rows and 4 columns. how many degrees of freedom are present?
What is the company''s pre-tax cost of debt : The Bet-r-Bilt Company has a 5-year bond outstanding with a 4.45 percent coupon. Interest payments are paid semi-annually. The face amount of the bond is $1,000. This bond is currently selling for 96 percent of its face value. What is the company's p..
Overhead rate based on direct labor-hours : Freeman Company uses a predetermined overhead rate based on direct labor-hours to apply manufacturing overhead to jobs. At the beginning of the year, the company estimated manufacturing overhead would be $150,000 and direct labor-hours would be 10..
Accounting system for the business : How would you change the accounting system for the business? What additional accounts would be needed? How would the financial statements change?
Compute the expected value for the data : The owner hypothesizes that his patrons have no preference for a particular court. He observes how many people play on each court on a particular day.
What happens to output - income : Based on Problem 1, assume that G=0 in all periods but in period 1, taxes decline by 15. What happens to output/income(Y)
What is the mass in grams of the lead : The density of lead is 11.3 g/ml. The water level in a graduated cylinder initially at 220mL rises to 297mL after a piece of lead is submerged. What is the mass in grams of the lead?
Organizational culture is an externally imposed : Organizational culture is an externally imposed system of constraints on the behavior of suppliers in an organization.
What is the standard deviation of the complete portfolio : Consider the following capital market: a risk-free asset yielding 1.75% per year and a mutual fund consisting of 65% stocks and 35% bonds. The expected return on stocks is 12.50% per year and the expected return on bonds is 3.25% per year. The standa..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Probability open heart operations at least one successful

What is the probability that in two randomly select open heart operations at least one will be successful? Draw a tree diagram.

  Show the steps in hypothesis test procedure

Steps in hypothesis test procedure - conducting a hypothesis test for some general statistic, ? say.

  Main points of central limit theorem for mean

Why is population shape of concern when estimating a mean? What does sample size have to do with it?

  Question on binomial and normal probabilities

A Private firm reports that 8% of the 2 million small businesses who apply for loan each year receive special interest rate (usually higher than market rate) because of high riskiness associated with small business.

  Explain f test for comparing three or more means

A researcher selected a sample of 50 residents from each of 3 different cities to determine if they were willing to participate in a medical experiment. which of the following assumptions is NOT made for the F test for comparing 3 or more means?

  Expected value of the time

Given that a Brand A battery just failed, what is the expected value of the time we wait until the next Brand B failure?"

  Confidence interval-population proportion-margin of error

Approval rating of 48% within a margin of error of 3%. Construct a confidence interval for the population proportion (p) of adults who approve of the candidate.

  Federal minimum wage

The Federal minimum wage is $7.25 (effective July 2009). If an employee earns the new minimum wage, how many complaints can that employee expect to receive?

  Determining mode and variance of height and frequency

Determine the following:Mean, Median and Variance.

  Proportion of the area under the standard curve

In your opinion does one do a better job or representing the proportion of the area under the standard curve?

  Which scale will allow to make tallest model

The front hall display case. The display case is 30 inches tall. Which scale will allow her to make the tallest model that will fit in the display case?

  Test whether the mean weight is less

Compute the value of t. What is your decision regarding the null hypothesis?

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