Finding the probability based on independent events

Assignment Help Basic Statistics
Reference no: EM1319038

1. Which are likely to be independent events? For those you think are not, suggest reasons why.

(a) Gender of two consecutive babies born in a hospital.

(b) Car accident rates and the driver's gender.

(c) Phone call arrival rates at a university admissions office and time of day.

2. Fifty-six percent of American adults eat at a table-service restaurant at least once a week. Suppose that four American adults are asked if they ate at table-service restaurants last week. What is the probability that all of them say yes?

Reference no: EM1319038

Questions Cloud

Compute spearman rank correlation : Two groups of students are asked to rank their preference for six types of soft drinks. The following table shows their rankings.
Case study of bell company : Bell Company, a manufacturer of audio systems, started its production in October 2014. For the preceding 3 years, Bell had been a retailer of audio systems. Assuming that Bell manufactures, on average, 1,529 audio systems per month, enter each cos..
Frequent flyer program has raised the cost : Assume the frequent flyer program has raised the cost of high-yield spill two fold since trade clients who are denied boarding now take their trade
Significant difference between the two massage techniques : A sample of 10 persons is used to measure the effectiveness of two massage techniques. The effectiveness of the techniques is measured by the number of days that pass by before the subjects feel the need for another massage session.
Finding the probability based on independent events : Which are likely to be independent events? For those you think are not, suggest reasons why.
Solve the following equation : Solve the following equation
Five steps of decision making process : Using the five steps of the decision making process discuss the following scenario. Once you have posted your response, you will be able to see other students' posts.
Calculate the contrasts w0 and w1 : An educational study uses a simple pre-post design to assess the efficacy of a computer tutor for solving inequalities. Twelve pilot students participate.  Each student is given a pre-test, then participates in six sessions using the tutor, then i..
Simplify the formula : Simplify the formula

Reviews

Write a Review

Basic Statistics Questions & Answers

  What is expected number of defective syringes

The quality-control inspector of a production plant will reject a batch of syringes if two or more defective syringes are found in a random sample of eight syringes taken from the batch. Assume the batch contains 1% defective syringes.

  Results of a regression analysis

A bank official reported the results of a regression analysis designed to predict the bank's charges (y), measured in dollars per month, for services rendered to local companies.

  Determining marginal probability distributions

Determine marginal probability distributions of X and Y . Compute conditional probability P ( Y = 2 | X = 1)

  Expected frequency for group

We are interested in determining whether or not the opinions of the individuals (as to Yes, No, and No Opinion) are uniformly distributed.

  Determining rejection region for hypothesis test

If alternate hypothesis mention that m doesn't equal 4,000, determine the rejection region for the hypothesis test?

  Hypothesis testing for population mean

The null hypothesis is that there was no change in average liquor consumption. State this formally in terms of µ.

  Interpreting coefficient on log

Interpret coefficient on log (salesm). If salesm were to be increased by 20%, what would be estimated change in mktgp? Would this effect be substantive?

  Difference between i-chart and x-bar chart

Would the method described above be a good way to determine which team was taller (explain why or why not)?

  Verifying value of t for the independent variable

Verify value of t for the independent Variable, using formula. (That is, using formula in the Formula Sheet compute the t statistic , given data provided in the print out).

  Estimate the total value of her inventory

A stationery store wants to estimate the mean retail value of greeting cards that it has in its inventory.  A random sample of 100 greeting cards indicates a mean value of $2.55 and a standard deviation of $0.44.

  Determining the value of statistic and dependent variable

Determine the dependent variable(s)? Determine the value of the statistic? Write down the name of one variable not mentioned in this study that one might wish to control for.

  Performing hypothesis testing

Looking at the data, the manufacturer is incorrect in its label claim. Perform hypothesis testing to prove or disprove it. Is the manufacturer correct in its label claim? Explain.

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