a) A merchant receives a shipment of five photocopying machines, two of which are defective. He randomly selects three of the machines and checks them for faults. Let the random variable X be number of faulty machines in his selection. Find the probability distribution of random variable X in the table form.
Q: Assume that when adults with smartphones are randomly selected, 54% use them in meetings or classes.…
A: Let x follows binomial distribution with parameters n = 2 and p = 0.54 The pdf of binomial…
Q: assume that when adults with smartphones are randomly selected, 51% use them in meetings or…
A: According to the question, we have 51% of adults use their smartphones in meetings or classes. Here,…
Q: Assume that when adults with smartphones are randomly selected, 57% use them in meetings or…
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Q: Assume that when adults with smartphones are randomly selected, 43% use them in meetings or…
A: given data,p(use smart phone in meeting or classes) = 0.43p = 0.43q = 1 - p = 1 - 0.43 = 0.57n =…
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A: Given, Red Marbles = 3 Blue Marbles = 5 Total Marbles = 8 Let X denotes the number of red marbles
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Q: Assume that when adults with smartphones are randomly selected, 42% use them in meetings or…
A:
Q: Assume that when adults with smartphones are randomly selected, 36% use them in meetings or classes.…
A: Obtain the probability that exactly 20 of them use their smart phones in meetings or classes. The…
Q: use them in meetings or classes. If 10 adult smartphone users are randomly selected, find the…
A: 10 adult smartphone users are randomly selected and 49% use them; n=10 p=0.49
Q: Assume that when adults with smartphones are randomly selected, 51% use them in meetings or…
A: Let X be the adults with smartphone X~B(n=10, p=0.51) P(X>=5)= ?
Q: Assume that when adults with smartphones are randomly selected, 39%use them in meetings or classes.…
A: Let us assume X= the number of persons who uses smartphones in meetings or classes n= number of…
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Q: Assume that when adults with smartphones are randomly selected, 46% use them in meetings or classes.…
A: Given that, 46% adults use their smartphones in meetings or classes. Sample size, n = 25
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Q: Assume that when adults with smartphones are randomly selected, 39% use them in meetings or…
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Q: Assume that when adults with smartphones are randomly selected, 47% use them in meetings or…
A: The binomial distribution function is: PX=x=Cxnpx1-pn-xwhere,n=number of trials,x=number of success,…
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A: Given datan=7p=0.16Binomial theoremProbability of x success out of n trial is given by
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Q: find the probability that exactly 22 of them use their smartphones in meetings or classes.
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Q: Assume that when adults with smartphones are randomly selected, 41%use them in meetings or classes.…
A: From the provided information, Sample size (n) = 6 Assume that when adults with smartphones are…
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A:
Q: A retailer has 10 identical television sets of a company out which 4 are defective. If 3 televisions…
A: here total television sets 10 of which 4 are defective here use hypergeometric distribution because…
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A: Given that, three collections are selected at random from a dance collection consisting of three Hip…
Q: A manufacturer knows that 14% of the products it produces are defective. Find the probability that…
A: A manufacturer knows that 14% of the products it producesare defective.Find the probability that…
Q: 7. Fill in the table with the necessary data to calculate the variance of the sampling distribution…
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Q: Assume that when adults with smartphones are randomly selected, 54% use them in meetings or classes.…
A: Denote X as the adults who use their smartphones in meetings or classes, which following binomial…
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A: we have given that The probability that there are 2 accidents in any given week is 3 times as much…
Q: Assume that when adults with smartphones are randomly selected, 35% use them in meetings or…
A:
Q: Ten balls which are numbered as 1, 2, 3, ..., 10 are placed in an urn. Three balls are chosen at…
A: Number of outcomes in the sample space is, n(Ω)=10P3=10!7!=10*9*8=720 Let X: Smallest number among…
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Q: A cookie is selected at random from a basket containing 10 peanut butter cookies, 8 caramel…
A: From the provided information, The basket contains 10 peanut butter cookies, 8 caramel cookies, 12…
Q: Assume that when adults with smartphones are randomly selected, 55% use them in meetings or…
A: It is given that n = 12 and p = 0.55.
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- Assume that when adults with smartphones are randomly selected, 52% use them in meetings or classes. If 13 adult smartphone users are randomly selected, find the probability that fewer than 5 of them use their smartphones in meetings or classes.The table below shows the soft drink preferences of people in three age groups. If one of the 255 subjects is randomly selected, find the probability that the person drinks root beer or cola given that they are under 21 years of ageA shipment contains 10 igneous, 8 sedimentary, and 8 metamorphic rocks ... If 5 rocks are selected at random, find the probability that exactly 3 are sedimentary
- select 3 cards from a collection of 7 cards 3 of the cards are face cards, 1 is A, 3 are numbers X = # of face cards selected. find the probability distribution for the random variable X.Two coins are selected from a pocket that contains 3 nickels and 4 quarters. The random variable is the total value in cents of the 2 selected coins. Find the probability distribution. Find the expected value, variance, and standard deviation.Assume that when adults with smartphones are randomly selected, 51% use them in meetings or classes. If 6 adult smartphone users are randomly selected, find the probability that at least 3 of them use their smartphones in meetings or classes.
- Assume that when adults with smartphones are randomly selected, 37% use them in meetings or classes. If 15 adult smartphone users are randomly selected, find the probability that exactly 9 of them use their smartphones in meetings or classes.Assume that when adults with smartphones are randomly selected, 51 % use them in meetings or classes. If 12 adult smartphone users are randomly selected, find the probability that fewer than 5 of them use their smartphones in meetings or classes.Assume that when adults with smartphones are randomly selected, 44% use them in meetings or classes. If 30 adult smartphone users are randomly selected, find the probability that exactly 19 of them use their smartphones in meetings or classes.
- Suppose a certain towing service receive requests for assistant in an average of 10 per hour. Let the random variable X denotes the number of requests receiving per hour. Find the probability of exactly three requests in one hour.A shipment of 10 similar microcomputers to a retail outlet contains 4 that are defective. If a school makes a random purchase of 3 of these computers, find the probability distribution for the number of defectives.Assume that when adults with smartphones are randomly selected, 46% use them in meetings or classes. If 10 adult smartphone users are randomly selected, find the probability that fewer than 3 of them use their smartphones in meetings or classes. The probability is