O A certain tennis player makes a successful serve 80% of the time. Suppose the tennis player serves 70 times in a match. What's the probability she makes at least 63 successful serves?

Q: 46% of all violent felons in the prison system are repeat offenders. If 33 violent felons are…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: In a 30-day period, an average of 6 thefts occur in a store. Within the next 10 days, a) What is…

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Q: 2. The probability that a randomly selected student in your class watched something on Netflix at…

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Q: What is the probability that a college student from this group chose "housework" and "other" as…

A: olution-: We have following table:   Homework Housework Outside Recreation Other Total Male 29…

Q: In a shoot out in a hockey competition, a player scores on 80% of his shots. a) What is the…

A: A random variable X~Geometric distribution(p=0.8)q=1-0.8=0.2

Q: Find the probability that at most one household is tuned to September Road. P(at most one) =

A: Let the R.V X denotes the number of households are turned to September road and it follows the…

Q: A patient taking an antiviral medication recovers from a respiratory disease with 35% probability.…

A: The probability is p=0.35 and the value of n is 18. Therefore m=np=0.35×18=6.3 Therefore the…

Q: A basketball player with a history of making 80% of the foul shots taken during games. What is…

A: Given that n =7 , p= 0.80 Find P ( X =5 ) =?

Q: A fair coin is flipped 8 times. What is the probability of obtaining at least one H?

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Q: What's the probability that she eats ramen tomorrow?

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Q: A baseball player has a lifetime batting average of 0.213. If, in a season, this player has 365 "at…

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Q: A softball pitcher has a 0.431 probability of throwing a strike for each pitch. If the softball…

A: Let the R.V X denotes the number of throws and it follows the binomial distribution with parameters…

Q: b. What is the probability of a female student given that they got a "B"?

A: Here AS PER NOTE GIVEN I HAVE CALCULATED B

Q: What is the probability that none is 1.

A: Answer: n = 9 cards

Q: 24% of all students enjoy the school lunch.  If there are 2000 students at the school, what is the…

A: It is given that n=2000 and p=0.24.

Q: 47 percent of students who made a resolution of passing college with high GPA achieved their…

A: Given that, n =155, p =0.47 The values of mean and standard deviation are,

Q: e. What is the probability that an account is less than 2 years old and has a balance of $1000 or…

A: e. The row totals and column totals are,   0-$499 $500-$999 $1000 or More Total Less than 2…

Q: If you buy a lottery ticket in 50 lotteries, in each of which your chance of winning a prize is…

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Q: A sports commentator claims that 45% of all football injuries are knee injuries. If this claim is…

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Q: c) Find the probability that at least three defectives are found?

A: Here given ,  A manufacturing process that produces electron tubes is known to have a 10% defective…

Q: A softball pitcher has a 0.482 probability of throwing a strike for each pitch.  If the softball…

A: It is given that the probability of throwing a strike for each pitch is 0.482. Assuming that…

Q: The fine print on an instant lottery ticket claims that one in nine tickets win a prize. What is the…

A: As one in nine tickets wins a prize. The probability of winning the prize is, p=19 The number of…

Q: f seven fair coins are simultaneously tossed in the air, what is the probability

A: When a coin is tossed Probability of getting heads is =0.5 Probability of getting tails is =0.5 If 7…

Q: A fair coin is flipped 16 times. What is the probability that exactly 8 heads​ appear?

A: Given,n=16p=P(getting a head)=12 X=getting no.of headsP(X=x)=cxn px(1-p)n-x ; x=0,1,2,3.....n

Q: If records indicate that 4 houses out of 1000 are expected to be damaged by fire in any year, what…

A: Given that 4 houses out of 1000 are expected to be damaged by fire in any year. Therefore,…

Q: An office worker receives an average of 22.5 email messages per day. If his working day lasts seven…

A: Average rate for 7.5 hours = 22.5 emails Average rate per hours = 22.5/7.5 = 3 = λ   For a poissons…

Q: A survey revealed that 36% of people are entertained by reading books, 30% are entertained by…

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Q: What is the probability that A or B3 occurs? Given that B2 has occurred, what is the probability…

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Q: A fair coin is flipped 6 times. What is the probability that at least two heads are flipped?

A: Given:  A fair coin is flipped 6 times.

Q: On average, a textbook author makes three word-processing errors per page on the first draft of her…

A: Given The author makes three word processing error per page

Q: Suppose that the odds in favor of winning a best of 7 basketball championship title are 1:24. a)…

A: Solution

Q: What is the probability that a female college student from this group chose "housework" as their…

A: What is the probability that a female college student from this group chose "housework" as their…

Q: At a local car dealership, 100 people were injured during the end of year celebration event from…

A: Given that at the closing day, total people attended the event = 12500The total people got injured…

Q: 1) From experience the manager of a bookstore knows that 40% of the people who come into the store…

A: 1) From experience the manager of a bookstore knows that 40% of the people who come into the store…

Q: (a) What is the probability that the website gets exactly 150 clicks in a given hour? (b) What is…

A: here given number of click a website gets can be modelled by poisson process with rate parameter  λ…

Q: (d) What is the probability that between 32 and 52 of the children prefer whole-grain snacks? Draw…

A: Given, Sample size, n= 80 Proportion, p= 56% = 0.56 q= 1-p= 1-0.56 q= 0.44 Mean= np= 80*0.56= 44.8…

Q: a. What is the probability that the software will fail after 1150 hours? b. What is the probability…

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Q: In a certain shipment of 1000 laptops, 20 are defective. If a customer purchases the first 4 laptops…

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Q: A baseball player has a lifetime batting average of 0.213. If, in a season, this player has 365 "at…

A:

Q: At a certain junior high school, two-thirds of the studentshave at least one tooth cavity. A dental…

A: Given: At a certain junior high school, two-thirds of the students have at least one tooth cavity.…

Q: d) If gender does not have any effect on employment, calculate the probability that the graduate…

A: The contingency table is   Female Males Total Employed 30 10 40 Unemployed 20 40 60 Total…

Q: Thirty-eight percent of all shoppers at a large department store are holders of the store’s charge…

A: It is given that, thirty-eight per cent of all shoppers at a large department store is holders of…

Q: Statistics released by a reputable traffic safety organization show that on an average weekend…

A: Answers: a) The probability is 0.0011 b) The probability is 0.0222 c) The probability is 0.3693

Q: is the probability that customers B and E arrive before other customers?

A: Here 7 different customers A,B,C,D,E,F and G Here use total arrangement concept

Q: Assume that the monthly worldwide average number of airplane crashes of commercial airlines is…

A: (a)   Obtain the probability that there will be less than 4 such accidents in the next month.   The…

Q: A coin is tossed eight times. What is the probability that the outcome will be eight heads, given…

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Q: Suppose that about 55% of the people who are murdered actually knew the murderer. Suppose that a…

A: It is given that, the proportion of people who are murdered actually knew the murdered (p) is 0.55…

Q: (d) What is the probability that on at least 22 days you walk through Aldrich Park? (e) What is the…

A: Let p be the probability that you walk through Aldrich park on any given day. Given that p = 0.7…

Q: are allergic to pollen? What is the probability at least one is allergic to pollen? O 0.3000, 01500…

A: 15% of population of a large country is allergic to pollen; p=0.15 The two people are randomly…

Q: Suppose Emerson loses 44% of all air hockey games. (a) What is the probability that Emerson loses…

A: (a) The probability that Emerson loses two air hockey games in a row is 0.1936, which is obtained…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.