In a poll, 461 out of 1939 people said that they checked their email multiple times per day. What is the probability that a person who polled checks their email multiple times per day? Round your answer four decimal places

Q: Experience has shown that one out of every four customers who place an order with an internet retail…

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Q: A high school baseball player has a 0.221 batting average. In one game, he gets 9 at bats. What is…

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Q: How many patients, on average, can the clinic expect that will not show up? Round your answer to 1…

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Q: Do you know Squidward? According a survey by Nickelodeon TV, 86% of children under 13 in Germany…

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Q: Ruby has a bird feeder which is visited by an average of 13 birds every 2 hours during daylight…

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Q: (b) If Jodie Meeks shoots two free throws, what is the probability that he misses both of them?…

A: Given information: Free throw shooting percentage=0.906. Let us assume the X signifies the number of…

Q: You purchase boxes of cereal until you obtain one with the collector's toy you want. If, on average,…

A: given that an average, a toy is getting in every the 22nd cereal box. Consider that n is defined as…

Q: At a particular college 10% of the students major in business, and are required to take a Statistics…

A: Introduction: Suppose X and Y are two events, with respective probabilities P (X) and P (Y). Denote…

Q: A survey showed that 23% of college students read internet news on a regular basis and that 81% of…

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Q: According to a survey, 10% of Americans are afraid to fly. Suppose 1,100 Americans are sampled. A.…

A: Given: p = probability of Americans afraid to fly = 10% = 0.10 n = sample size = 1100 Let X…

Q: (a) If a passenger is selected at random, what is the probability that the passenger survived?…

A: Given:   Male Female Child Total Survived 208 458 64 730 Died 1043 148 59 1250 Total 1251…

Q: |(a) What is the probability that a randomly selected college student reads newspapers regularly,…

A: Given that 23% of college students read news papers on a regular basis. 83% of college students…

Q: Experience has shown that one out of every five customers who place an order with an internet…

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Q: The probability that [a woman in this cohort] has breast cancer is 0.8 percent. If a woman has…

A: Given  P breast cancer=0.8 P a positive mammogram/breast cancer=0.90 Pa positive mammogram/no breast…

Q: A bag contains 45 U.S. quarters and five Canadian quarters. (The coins are identical in size.) If…

A: Given, No of U.S quarters= 45 No of Canadian quarters= 5 Total quarters= 50 If 5 quarters are drawn…

Q: Do you know Squidward? According to a survey by Nickelodeon TV, 87% of children under 13 in Germany…

A:

Q: According to a survey, 10% of Americans are afraid to fly. Suppose 1,100 Americans are sampled.…

A: Given that,n = 1100, p=0.10 Check the conditions of normal approximation to the binomial: Hence,…

Q: According to a survey, 10% of Americans are afraid to fly. Suppose 1,100 Americans are sampled. a.…

A: Given information: Population proportion (p) = 0.1  Sample size (n) = 1100

Q: A quality control inspector has drawn a sample of 20 light bulbs from a recent production lot. If…

A: Let "X" be the number of defective bulbs.

Q: A door delivery florist wishes to estimate the proportion of people in his city that will purchase…

A: Solution: From the given information, the true proportion is p=0.07 and n=209.

Q: (a) What is the probability that a randomly selected female student majors in civil engineering?…

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Q: . What is the probability percentage that 121 or more Americans in the survey are afraid to fly?…

A: Consider a random variable X which represents the number of Americans in the survey who are afraid…

Q: According to data collected over the years,  30% of passengers of a plane ask for coffee as their…

A: Suppose the success is "ask for a coffee". It is given that the percentage of asking for a coffee is…

Q: A friend of mine giving a dinner party. His current wine supply includes 7 bottles of zinfandel, 13…

A: Given: Number of Zinfandel bottle=7Number of Merlot bottle=13Number of Cabernet bottle=9

Q: About 35% of Americans will admit that they waste time regularly at work. A poll of 100 Americans is…

A: Given,

Q: It has been found that on average, nine shoppers enter a Shoprite supermarket in any given 15-minute…

A: The probability mass function of the Poisson distribution is given as follows:

Q: What is the probability that the antidote will be effective on at least 5 people? b) Calculate the…

A: The antidote called hydroxocobalamin, which is used to treat fire smoke poisoning, has a two-thirds…

Q: Based on her numbers, what is the probability that a customer selected at random is a man and he…

A: The data is given by   Fiction Non-Fiction Total Men 92 84 176 Women 26 58 84 Total 118 142…

Q: What is the probability that a consumer we select randomly either spends 0-2 hours shopping on the…

A: The probability that a consumer we select randomly either spends 0-2 hours shopping on the internet…

Q: Experience has shown that one out of every four customers who place an order with an internet…

A: From the provided information, Experience shows that one out of every four customers who place an…

Q: A TV studio has brought in 10 boy kittens and 9 girl kittens for a cat food commercial. The director…

A: Using permutations & combinations we will find the total ways (N) to choose 10 cats out of…

Q: In an experiment, college students were given either four quarters or a $1 bill and they could…

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Q: Does crime pay? The FBI Standard Survey of Crimes showed that for about 80% of all property crimes…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: (a) What is the probability that a randomly selected civil engineering major is female? Round your…

A: Given ,  P( Female ) =  0.47 P( Civil engineer )  = 0.17 P( Female and Civil engineer ) = 0.12 We…

Q: Of the drivers who stop at a gas station, 89% purchase gasoline, and 5% purchase both gasoline and…

A: (a) probability that driver purchase oil given that he purchase gasoline = P(O/G)= P(O and G)/P(G)…

Q: A high school recorded the number of students in each grade participating in after-school…

A: Required probability is P(a band member is not in 12th grade)

Q: A pharmacist estimates that a chemotherapy drug produces a 75% improvement in lung cancer patients.…

A: Given Data Probability of success,p = 0.75 Probability of failure,q=(1- 0.75 )= 0.25…

Q: A hotel manager believes that 10% of the hotel rooms are booked. If the manager is accurate, what is…

A: Given that 10% of the hotel rooms are booked. That is p=0.10 And there are sample of 454 rooms. That…

Q: The scientist claims that 8% of viruses are airborne if the scientist is accurate what is the…

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Q: A bag contains 45 U.S. quarters and five Canadian quarters. (The coins are identical in size.) If…

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Q: The probability that a statistics graduate from a Canadian university gets a data science job is…

A: Given that  Number of trials n=10 Success of probability p=0.6 X~Binomial ( n,p) Probability mass…

Q: A shipment of 10 microwave ovens contains 3 defective units. A restaurant buys four of these units.…

A: Combination Rule:The arrangement of r objects from n different objects is given by:

Q: There are five flights daily from Pittsburgh via US Airways into the Bradford Regional Airport in…

A: Given number of lights = n = 5 Probability that any flight arrives late = 0.2 Let X denotes the…

Q: A sample of 2500 patients were taken to assess a medical test.  40% of the sample had a positive…

A: Given that A sample of 2500 patients were taken to assess a medical test. 40% of the sample had a…

Q: A healthcare agency reported that 51% of people who had coronary bypass surgery in 2008 were over…

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Q: A life insurance salesman sells on the average 4 life insurance policies per week. a. What is the…

A: a. The probability that in a given week he will sell three policies is obtained below: From the…

Q: One year, airline A had 6.04 mishandled bags per 1,000 passengers. Complete parts a. through c.…

A: Probability (mishandled bags) = 6.04/1000 = 0.00604

Q: The probability of a hurricane hitting Houston is 1 in 18. The probability of any hurricane being…

A: Given that  P(a hurricane hitting Houston) = 1/18  P(hurricane being category 3 or higher) = 3/10…

Q: A TV studio has brought in 6 boy kittens and 8 girl kittens for a cat food commercial. The director…

A: In this case, there are 6 boy kittens and 8 girl kittens.