Find the probability that tom or becky will check on weekend

Assignment Help Basic Statistics
Reference no: EM132857065

Two employees on a university campus, Tom from plant operations and Becky from public safety, or a sign to check that a certain building on the campus is locked over the weekend. Suppose that on any weekend the probability that Tom checks is 0.96, that Becky checks is 0.91, and if they both check is 0.9. Find the probability that Tom or Becky will check on a weekend.

Reference no: EM132857065

Questions Cloud

Give an example of two variables : Give an example of two variables that you believe are correlated, but where a change in one does not cause a change in the other. Use a source you have independ
Create plots that prove that a uniform continuous variable : Create plots that prove that a uniform continuous variable on and a beta random variable with have the same graph.
What is the annual usage in units : Total variable ordering cost to place purchase orders for the year N$10,000. What is the annual usage in units
What is the probability that the student answers : If the student randomly guesses on each question, what is the probability that the student answers 2 or fewer questions correctly?
Find the probability that tom or becky will check on weekend : Two employees on a university campus, Tom from plant operations and Becky from public safety, or a sign to check that a certain building on the campus
Compute the amount of raw materials purchased : Compute the amount of raw materials purchased during August if Rs.400,000 of raw materials consumed during the month and the inventories were as follows
Find the probability of that infant having a pdi value : The scores on the Psychomotor Development Index (PDI), a scale of infant development, have a normal population distribution with mean 100 and a standard deviati
Data source and data type worksheet : Write explanation for each data source to describe how you know what type of data it is and include the following for each:
Relative frequency method to estimate p : When applying for jobs, assume each job application has a 30% chance of resulting in an interview independent of each other job application.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Find out the standard error of the proportion

a. Determine the sample proportion, p, of households with cellular telephones that can be used to access the Internet. b. If the population proportion is 0.40, determine the standard error of the proportion.

  Comparison of goodness-of-fit test

Sample data in a goodness-of-fit test are compared with __________. A. a predetermined or historical standard for the variable being studied

  Relative value of the chemical potential of a sodium

What does that say about the relative value of the chemical potential of a sodium or chloride ion in air, in a salt crystal, and in water?

  Confidence interval for the average number of minutes

What is the 99% confidence interval for the average number of minutes it takes to create a test question?

  Over the years grades in an introductory statistics course

over the years grades in an introductory statistics course were recorded and showed the following proportionsa 0.20 b

  Problem regarding the bivariate normal distribution

Following are measurements of tensile strength in ksi (x) and Brinell hardness (y) for 10 specimens of cold drawn copper.  Assume that tensile strength and Brinell hardness follow a bivariate normal distribution.

  Determine the probability function and the distribution

Determine the probability function and the distribution function of X and sketch their graphs.

  Confidence interval of the true mean age

In a study of 10 graduate students from a nurse education program, the average age of the group was 48.6 years and the standard deviation was 4.1 years. Assume the variable is normally distributed. Find the 95% confidence interval of the true mean..

  Specify which variable is the explanatory variable

For each pair of variables, specify which variable is the explanatory variable and which is the response variable in the relationship between them.

  Rental car gasoline prices per gallon

a) To test H0: µ1 = µ2 = µ3 b) Rental car gasoline prices per gallon were sampled at eight major airports for Hertz and National car rental companies

  A stabilized precision rate table use a precision tachometer

A stabilized precision rate table uses a precision tachometer and a DC direct-drive torque motor, as shown in Figure P10.5. We want to maintain a high steady-state accuracy for the speed control.

  The manager of a service station

The manager of a service station is in the process of analyzing the number of times car owners change the oil in their cars. She believes that the average motorist changes his or her car's oil less frequently than recommended by the owner's manual (t..

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