A certain yping agency employs two typists The average number of errors per article is 4.6 when typed by the first typist and 2.2 when typed by the second if your article is equaly kety to be typed ether typist find the probability that it will have no errors

Q: he table below summarizes pregnancy test results for 100 patients.   If one subject is randomly…

A: The contingency table is given as:   Positive Test Result Negative Test Result Row Total…

Q: In a colony of bats, 55% have been infected with White-Nose Syndrome (WNS), a fungal disease.…

A: In a colony of bats, 55% have been infected with White-Nose Syndrome (WNS), a fungal disease.

Q: If a single 4-sided die is tossed once, find the probability of rolling a number greater than 2. The…

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Q: A single die is rolled twice. Fine the probability of rolling an odd number the first time and a…

A: The probability of an event A is: PA=Number of favourable outcomestotal number of outcomes Now, we…

Q: A coin is tossed and a single 6-sided die is rolled.  Find the probability of landing on the tail…

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Q: If a seed is planted, it has a 70% chance of growing into a healthy plant. If 8 seeds are planted,…

A: Answer:- Given, a seed is planted, it has a 70% chance of growing into a healthy plant.…

Q: Suppose a jar contains 10 red marbles and 25 blue marbles. It you reach in the jar and pull out 2…

A: nx=n!x!(n-x)! =============== Total 35 marbles are there.

Q: A jar contains 15 red marbles and 75 blue marbles. If you randomly pick a marble from this jar, the…

A: Introduction: Total number of marbles in the jar is, n = 90 [= 15 red + 75 blue].

Q: The table summarizes results from 976 pedestrian deaths that were caused by automobile accidents.…

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Q: A survey found that 5% of people believe that they have seen a UFO. Choose a sample of 13 people at…

A: Let x be the number of people believe that they have seen a UFO which follows binomial distribution…

Q: Find the probability of getting 3 face cards (king, queen, or jack) when 3 cards are drawn from a…

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Q: Suppose a jar contains / red marbles and 10 blue marbles. If you reach in the jar and pull out 2…

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Q: the probability that an individual with a Bachelor Degree in Underwater Basket-weaving will be hired…

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Q: A single die is rolled one time. Find the probability of rolling a number greater than 2 or less…

A: A single die is rolled one time. Find the probability of rolling a number greater than 2 or less…

Q: If the probability that a vaccine you took will protect you from getting the flu is 0.86, what is…

A: The sum of probabilities of different cases of a scenario is always 1. Here after taking the…

Q: Assuming boys and girls are equally likely, find the probability of a couple having a baby girl when…

A: Given information- We have given that the first four children were all girls. Assuming that boys and…

Q: If the probability that a vaccine you took will protect you from getting the flu is 0.972, what is…

A: It is given that the probability that a vaccine will protect a person from getting the flu is 0.972.

Q: A bag contains 2 red marbles, 5 green marbles, and 7 blue marbles.  You randomly draw a handful of 4…

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Q: For a particular couple expecting their first child, the probability the child will have blueeyes is…

A: It is given that particular couple expecting their first child, the probability that the child will…

Q: An office has 7 men and 6 women employees.  Three employees are picked at random for a trip to…

A: 7 men 6 women  ____________ 13 total employees select 3 at random  P(2 males and 1 female) = ?

Q: If a single 4-sided die is tossed once, find the probability of rolling a number less than 2. The…

A: Obtain the probability of rolling a number less than 2. The probability of rolling a number less…

Q: If the probability that a vaccine you took will protect you from getting the flu is 0.932, what is…

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Q: One card is selected at random from a deck of cards. Determine the probability of selecting a card…

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Q: The probability that it will rain in a city is 0.1. Find the probability that it will rain on a…

A: Given data: The probability that it will rain in a city is P(R)=0.1. The expression for the…

Q: If the probability that a randomly chosen college student takes statistics is 0.34, then what is the…

A: The probability that a randomly chosen college student takes statistics is 0.34. The probability…

Q: Refer to the table which summarizes the results of testing for a certain disease. A test subject is…

A: From given :   Positive test Negative test Total Has disease 144 17 161 Does not have disease…

Q: If the probability that a vaccine you took will protect you from getting the flu is 0.016 , what is…

A: Given that, The probability that a vaccine you took will protect you from getting the flu is 0.016.…

Q: Suppose a jar contains 5 red marbles and 40 blue marbles. If 2 marbles are randomly chosen from the…

A: Given that, Number of red marbles = 5Number of blue marbles =40Total number of marbles = 45

Q: A jar contains 3 red, 2 white, and 5 blue marbles. What is the probability of selecting two marbles…

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Q: If the probability that an individual with a Bachelor Degree in Underwater Basket-weaving will be…

A: Event: The collection or the set of outcomes in an experiment is called as an event. Complementary…

Q: A bag contains 20 white marbles, 6 red marbles, 11 blue marbles, and 8 yellow marbles. If a marble…

A: White marbles = 20 Red marbles = 6 Blue marbles = 11 Yellow marbles = 8 Total marbles = 20 + 6 +11 +…

Q: If two dice are rolled, find the probability that neither die shows a 5 on it. Probability

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Q: If the probability that a randomly chosen college student takes statistics is 0.75, then what is the…

A: Given, Let A be the event that randomly chosen college student takes statistics. p(A)=0.75

Q: A single die is rolled one time. Find the probability of rolling a number greater than 5 or less…

A: See the attachment

Q: The probability of having a child that is left handed is10%. If three children are randomlyselected,…

A: From the given information we want to find the probability that at least one child is left handed.

Q: If a single 6-sided die is tossed once, find the probability of rolling a number greater than 4. The…

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Q: Give the probability in decimal form (correct to two decimal places). A calculator may be helpful…

A: Given, Total number of calculators produced is 83000 Number of calculators returned to the…

Q: If the probability that a vaccine you took will protect you from getting the flu is 0.962, what is…

A:

Q: Hospitals like to have electricity provided when there is a blackout. Assume that the backup…

A: Given: Number of trials (n) = 2 Probability of success (p) = 0.38