Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Find the obligatory probability.

1. Shopper Trak is a concealed electric eye designed to count the number of shoppers entering a store. When two shoppers arrive the store together one walking in front of the other, the following possibilities apply. There is a 0.98 possibility that the first shopper will be detected and a 0.94 probability that the second shopper will be detected and a 0.93 probability that both of them will be detected by the device. describe what is the probability that the device will detect at least one of the two shoppers entering together?

2. A statistics professor has initiate that the probability is 0.74 that a student gets a B- or above for the final examination. He as well found that the probability of 0.67 that a student gets a B- or above for both the final exam and the course. If a arbitrarily 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?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M919346

Have any Question? 


Related Questions in Statistics and Probability

The probability that a pharmaceutical firm will

The probability that a pharmaceutical firm will successfully develop a new drug that will return $750 million dollars is 0.14. If the research is unsuccessful, the company incurs a cost of $100 million dollars. What is t ...

X is a random variable normally distributed with a normal

X is a random variable, normally distributed (with a normal probability density function), with mean µX and variance σ 2 . Conventional shorthand notation for this is X ~ N (µX, σ 2 ). X¯ is a random sample mean computed ...

A pair of random variables is uniformly distributed over

A pair of random variables is uniformly distributed over the ellipse defined by  (a) Find the marginal PDFs  (b) Based on the results of part (a), find  (c) Find the conditional PDFs,  (d) Based on the results of part (c ...

In statistics how would you interpret the direction of the

In statistics, How would you interpret the direction of the line in which all data points fall on the diagonal line? for correlation.

The three letters c a and t represent the states of a

The three letters C, A, and T represent the states of a word-generating system. Let the initial state probability vector be (1/3 1/3 1/3) for the three letters, respectively. The transition matrix is given as What is the ...

An urn contains 5 yellow balls and 4 orange balls if juan

An urn contains 5 yellow balls and 4 orange balls. If Juan chooses 5 balls at random from the urn, what is the probability that he will select 2 yellow balls and 3 orange balls? Round your answer to decimal places. (If n ...

It is estimated thatnbsp88 of senior citizens suffer from

It is estimated that 88% of senior citizens suffer from sleep disorders and 7% suffer from anxiety. Moreover, 6% of senior citizens suffer from both sleep disorders and anxiety. (a) Find the probability that a senior cit ...

A study was conducted of pleas made by 10261 criminals

A study was conducted of pleas made by 1,0261 criminals. Among those criminals,953 pled guilty, and 396 of them were sentenced to prison. Among the 73 other criminals, who pled not guilty,52 were sent to prison. a. What ...

A study of nonfatal occupational injuries in the united

A study of nonfatal occupational injuries in the United States found that about 31% of all injuries in the service sector involved the back. The National Institute for Occupational Safety and Health (NIOSH) recommended c ...

1 in a test of the effectiveness of garlic for lowering

1. In a test of the effectiveness of garlic for lowering cholesterol, 42 subjects were treated with garlic in a processed tablet form. Cholesterol levels were measured before and after the treatment. The changes in their ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

A cola-dispensing machine is set to dispense 9 ounces of

A cola-dispensing machine is set to dispense 9 ounces of cola per cup, with a standard deviation of 1.0 ounce. The manuf

What is marketingbullwhat is marketing think back to your

What is Marketing? • "What is marketing"? Think back to your impressions before you started this class versus how you

Question -your client david smith runs a small it

QUESTION - Your client, David Smith runs a small IT consulting business specialising in computer software and techno

Inspection of a random sample of 22 aircraft showed that 15

Inspection of a random sample of 22 aircraft showed that 15 needed repairs to fix a wiring problem that might compromise

Effective hrmquestionhow can an effective hrm system help

Effective HRM Question How can an effective HRM system help facilitate the achievement of an organization's strate