Find out the required possibility

Assignment Help Basic Statistics

Reference no: EM1316099

Find the required possibility.

1. Shopper Trak is a hidden electric eye designed to count the number of shoppers entering a store. When two shoppers enter the store together one walking in front of the other, the following possibilities apply. There is a 0.99 probability that the first shopper will be detected and a 0.94 possibility that the second shopper will be detected and a 0.93 probability that both of them will be detected by the device. What is the probability that the device will detect as a minimum one of the two shoppers entering together?

2. A statistics professor has found that the probability is 0.76 that a student gets a B- or above for the final examination. He also found that the probability of 0.66 that a student gets a B- or above for both the final exam and the course. If a randomly selected student has already gotten a B- or above for the final exam taken yesterday what is the probability he will get a B- or above for the course when the grade report arrives next week?

Reference no: EM1316099

Questions Cloud

Solve the quadratic and algebraic equations : Solve the quadratic and algebraic equations

Finding the probability value using tree diagram : Draw a tree diagram representing the data. What is the probability that a vehicle stolen in this city will never be recovered?

Explanation of indifference curve analysis : Lisa is a lawyer and there are two tasks that she hates to do, even though her job requires it. Draw a graph with hours reading on the horizontal axis and hours writing on the vertical.

Thirty year treasury note at the end of every year : Illustrate what does weighting add to usefulness of moving averages and explain how is it done. The yield on a thirty year treasury note at the end of every year since 1990 is recorded below.

Find out the required possibility : Shopper Trak is a hidden electric eye designed to count the number of shoppers entering a store. When two shoppers enter the store together one walking in front of the other, the following possibilities apply.

Describe dividend decisions : Describe Dividend decisions for the existence of dividend clienteles by measuring the average decline in stock price when the stock goes ex-dividend

Solve the quadratic and algebraic expressions : Solve the quadratic and algebraic expressions

Equilibrium price and quantity using given data : You are the manager of an organization in America that distributes blood to hospitals in all 50 states and the District of Columbia.

Discrete distribution by estimating the probability : What is the probability that both defective lights will be found within three trials?

User Account

All Pages