A card is drawn from a well shuffled pack of playing cards. F'ind the probability that it is either a diamond or a king.

Q: A survey report states that 70% of adult wor sit their doctors for a physical examination at le ace…

A: Given Information: 70% of adult women visit their doctors for a physical examination at least once…

Q: An expert has determined that the probability of each egg put in an incubator being successfully…

A: Let p be the probability that an egg hatched to a baby chick a month later. Given that p = 0.95 Let…

Q: Suppose a jar contains 138 red marbles and 153 blue marbles.  If you reach in the jar and pull out 2…

A: 138 + 153 = 291 marbles in total. At our first pull, there is an 138/291 chance that a red will be…

Q: A die is continuously rolled until the total sum of all rolls exceeds 225. What is the probability…

A: Given data : A die is continuously rolled until the total sum of all rolls exceeds 225. To find:…

Q: In a certain country, the true probability of a baby being a girl is 0.469. Among the next four…

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Q: According to a recent survey, 80% of all teenagers own a smartphone. If we select 10 teenagers at…

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Q: Assume that when adults with smartphones are randomly selected, 41% use them in meetings or classes.…

A: Given datan=15p=41%

Q: Assume that when adults with smartphones are randomly selected, 62% use them in meetings or classes.…

A: From the provided information, 62% of the adults uses smartphones in meeting or classes that is p =…

Q: The probability that a randomly selected part is found to be defective during each check is the same…

A: Let X denote the number of defectives among n details. The probability of each detail to be…

Q: A local jam production company is confident that 60% of the population will like it's new grapefruit…

A: It is given that p =0.60.

Q: Assume that when adults with smartphones are randomly selected, 36% use them in meetings or classes.…

A: Given: p=36%=0.36 n=8 According to binomial probability: PX=x=Cxnpx1-pn-x

Q: Assume that when adults with smartphones are randomly selected, 39% use them in meetings or classes.…

A: Ans# - Given, n =20, P = 39% = 0.39            Find   P(x = 12)  = ?

Q: Assume that when an adult is randomly​ selected, the probability that they do not require vision…

A: Given:Let’s p is the probability that they do not require vision correction is 24%.So, p=0.24.Sample…

Q: Assume that when adults with smartphones are randomly selected, 52 % use them in meetings or…

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Q: Assume that when adults with smartphones are randomly selected, 42% use them in meetings or classes.…

A: Let X be the random variable from binomial distribution with probability (p) = 42% = 0.42 and sample…

Q: A die is rolled four times. What is the probability of obtaining only even numbers given that the…

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Q: In a survey year of married couples with earnings, 96% of all husbands were employed. Of all…

A: In that survey year of married couples with earnings, 96% of all husbands were employed. Of all…

Q: Suppose a life insurance company insures the lives of 4000 women aged 50. If the actuarial studies…

A: Let X denote the number of 50-year old women who die in a given year. Then, it is given that:…

Q: suppose a jar contains 5 red marbles and 35 blue marbles. If you reach in the jar and pull out 2…

A: Introduction: According to the combination rule, if r distinct items are to be chosen from n items…

Q: A group of students consists of 5 females and 10 males. If 8 students are to be selected at random…

A: We have to use classical probability definition to find the probability.

Q: Suppose a jar contains 12 red marbles and 35 blue marbles. If you reach in the jar and pull out 2…

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Q: Assume that when adults with smartphones are randomly selected, 47% use them in meetings or classes.…

A:

Q: Suppose a jar contains 13 red marbles and 12 blue marbles. If you reach in the jar and pull out 2…

A: Given: Red marbles = 13 Blue marbles = 12 Thus the total number of marbles = 13+12 = 25

Q: Assume that when adults with smartphones are randomly selected, 46% use them in meetings or classes.…

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Q: If a string, 1 m long, is cut into 2 pieces at a random point along its length, what is the…

A:

Q: Suppose a jar contains 10 red marbles and 13 blue marbles. If you reach in the jar and pull out 2…

A:

Q: Assume that when an adult is randomly​ selected, the probability that they do not require vision…

A: The probability that exactly 3 of them do not require a vision correction is obtained below:Here, do…

Q: Assume that when adults with smartphones are randomly selected, 41% use them in meetings or classes.…

A: Given: About 41% of adults use their smartphones in meetings or classes. 15 smartphone users are…

Q: Assume that when adults with smartphones are randomly selected, 47% use them in meetings or classes.…

A: Solution: 2. Let X be the number of adults use their smartphones in meetings or classes and n be the…

Q: Assume that when adults with smartphones are randomly selected, 64% use them in meetings or classes.…

A: Given, sample size = n = 8 Probability = p = 64% = 0.64 Number of smartphones users use their…

Q: Assume that when adults with smartphones are randomly selected, 35% use them in meetings or classes.…

A:

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: According to a recent survey, 38% of Americans get enough sleep each night. If 8 people are…

A: Given p=38%=0.38 and n=8. Let X be the number of Americans who get enough sleep each night. Here, X…

Q: Suppose a jar contains 17 red marbles and 22 blue marbles. If 2 marbles are randomly chosen from the…

A: There are 17 red marbles and 22 blue marbles. Thus, there are 39 marbles in total.

Q: Suppose a jar contains 18 red marbles and 36 blue marbles. If you reach in the jar and pull out 2…

A: From the provided information, A jar contains 18 red marbles and 36 blue marbles. Total marbles = 18…

Q: The average systolic blood pressure of a population of young men is µ = 112.5 mm, o = 16.4 mm.…

A:

Q: The human resources department of a large company currently estimates that 82% of the new employees…

A: Given,n=280p=0.82mean(μ)=npmean(μ)=280×0.82mean(μ)=229.6standard deviation(σ)=np(1-p)standard…

Q: A cloth manufacturer knows that faults occur randomly in the production process at a rate of 3.8…

A:

Q: Assume that when adults with smartphones are randomly selected, 41% use them in meetings or classes.…

A: Probability that an adult uses smartphone for meetings or classes is p = 41% = 0.41 Let X be a…

Q: Assume that when adults with smartphones are randomly selected, 57% use them in meetings or classes.…

A: Obtain the probability that exactly 24 of them use their smart phones in meetings or classes. The…

Q: (a) The number of calls at a call-centre on average is 5 in every minutes. Calculate the probability…

A: here AS PER GUIDELINES I HAVE CALCULATED 1ST MAIN QUESTION  , AS YOU HAVE POSTED MULTIPLE QUESTIONS…

Q: A six sided die is loaded such that a 3 és tuice as likely to as each of the ether fve five numbers…

A: Givenwhen a die is rolled 3 is twice as likely to appear as other numbersProbability that 3 occur…

Q: Assume that when adults with smartphones are randomly selected, 55% use them in meetings or classes.…

A: Answer - Given P = 55% = 0.55,   n = 6             Using Binomial distribution  Binomial(n, P)…

Q: Find the probability of 4 coins falling all tails of when tossed simultaneously Answer should be…

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Q: Assume that when adults with smartphones are randomly selected, 38% use them in meetings or classes.…

A:

Q: Suppose a jar contains 11 red marbles and 19 blue marbles. If 2 marbles are randomly chosen from the…

A: Suppose a jar contains 11 red marbles and 19 blue marbles. If 2 marbles are randomly chosen from the…

Q: Assume that 2% of the Brazilian population had dengue fever and that a test correctly identified the…

A:

Q: Assume that when adults with smartphones are randomly selected, 43% use them in meetings or classes.…

A: Given datan=5p=43%

Q: Assume that when adults with smartphones are randomly selected, 38% use them in meetings or classes.…

A: