There are 32 fantasy novels, 11 science-fiction novels, 5 romance novels, and 7 mystery novels on a cart. What is the probability of randomly selecting a romance novel from the cart? a. 0.0909 b. 0.5818 c. 0.2 d. 0.1273

Q: In a survey of 131 people 115 expressed support for the governor. Find p hat and a hat where p hat…

A: Given data, n=131 x=115 p=?

Q: A company claims that the number of defective items manufactured during each run of making 100 of…

A: It is given that n=100 and p=0.03.

Q: Thirty students took a calculus exam. Of the students who passed the exam, 8 students earned an A, 9…

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Q: You ask a friend to think of a number from four to thirteen. What is the probability that his number…

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Q: The probability that a lab passes a health and safety inspection is 97%.  A health and safety…

A: Let X: number of labs.X has binomial distribution because trials are finite, trials are independent…

Q: Coronary bypass surgery has a 95% success rate. If 2 people have coronary bypass surgery, find the…

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Q: An office has 14 men and 13 women employees.  Three employees are picked at random for a trip to…

A:

Q: EXERCISE 4.2 1. 15, 33, 30, 50, 0 2. –4, 25, –4, 11, 19, 4 Find the (a) sample variance and (b)…

A: Concentration of all the values around the central value of the given data is known as measures of…

Q: William is playing cards. What is probability of pulling an 8 of spades, 10 of diamonds, or heart?

A: given data  william play a  card game select card at random.  P(8 of spades,10of diamonds or heart…

Q: Emerson wins 28% of all chess games. What is the probability he wins two in a row?

A: Assuming the two games are independent, P( He wins two in a row)= P( He wins the first game)*P(He…

Q: Suppose you have 10 tennis balls and you randomly pick some number of them. What is the probability…

A: Given the event that there are 10 tennis balls and one randomly pick some number of them.

Q: Diane Alexander owns and manages a small business in San Francisco, California. The business…

A: Introduction: Suppose the means of k independent groups are being compared using a one-way ANOVA or…

Q: You have four toonies and three loonies in your pocket. You pull one coin out and then pull out…

A: We have 4 toonies and 3 loonies  Total coins = 7

Q: There are 3 red, 1 blue and 2 purple marbles in a bag. Once a marble is selected, it is replaced.…

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Q: Two dice are thrown. Determine the probability that a score of 5 or 9 is obtained.

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Q: A bag contains 1 gold marbles, 6 silver marbles, and 30 black marbles.

A: Given: A bag contains 1 gold marbles, 6 silver marbles, and 30 black marbles.

Q: Steve has 12 biscuits in a tin. There are 5 digestive and 7 chocolate biscuits. Steve takes two…

A: Given that, Total number of biscuits = 12 5 digestive biscuits and 7 chocolate biscuits We to find…

Q: An opaque bag contains two types of marbles: blue and red. We draw two marbles from the bag without…

A: Answer:0.21 Explanation:The probability of getting a blue marble in the first draw is 64/138. Now, a…

Q: An office has 6 men and 12 women employees.  Three employees are picked at random for a trip to…

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Q: Pete and two co-workers harvested 18 pumpkins from a farm where they worked. If each person…

A: Given Pete and two co-workers harvested 18 pumpkins.Each person harvested at least 5 pumpkins.The…

Q: sea has five nickels, three dimes, and seven pennies in his pocket. If he randomly Ks 2 coins…

A: To find the probability of Hosea choosing a nickel then a penny.

Q: You randomly select one card from a​ 52-card deck. Find the probability of selecting the king of…

A: It is known that Number of cards in a deck = 52 Number of king of diamonds = 1 Number of two of…

Q: Coronary bypass surgery has a 95% success rate. If four people have coronary bypass surgery, find…

A: Given information- Given problem is of binomial distribution. Let x is a discrete random variable…