Ten balls are drawn at random from a bucket containing 15 red balls and 7 blue balls. Let X be the number of red balls drawn. (a)| of X. If the ten balls are drawn without replacement, write down the probability function (b). blue balls are drawn. If the ten balls are drawn without replacement, calculate the probability that all the

Q: the joint probability distribution of X and Y ;

A: Solution: Given: X: Number of oranges in the 4 pieces of fruits. Y: Number of apples in the 4 pieces…

Q: Assume that when adults with smartphones are randomly selected, 48% use them in meetings or classes.…

A: From the provided information, 48% of adults with smartphones use their smartphone in meeting or…

Q: Assume that when adults with smartphones are randomly selected, 45% use them in meetings or classes,…

A: Givenp=0.45n=15x~Binomial(n=15,p=0.45)P(X=x)=(nx)×px×(1-p)n-x    ; x=0,1,...,n

Q: Assume that when adults with smartphones are randomly​ selected, 60% use them in meetings or…

A:

Q: Assume that when adults with smartphones are randomly selected, 54% use them in meetings or classes.…

A: Given, P(Adults using smart phones in meetings or classes)= p = 54% = 0.54 Sample size n = 5 exactly…

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

A:

Q: Assume that when adults with smartphones are randomly selected, 59% use them in meetings or classes.…

A:

Q: Assume that when adults with smartphones are randomly​ selected, 49% use them in meetings or…

A:

Q: Suppose a family has three children. Find the probability they have at most one boy. (Enter as a…

A: From the given information, total number of children n = 3. Let X be event that family had a boy…

Q: A card is selected at random from a standard deck of playing cards. Compute the probability that…

A: In a standard deck of playing cards there are total 52 cards and 4 suits, such as hearts, diamonds,…

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

A:

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

A: Given that  Sample size (n) = 9 If adults are selected 47% use them in meetings or classes. P=47% =…

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

A:

Q: A box holds 3 red and 5 blue marbles. If 2 marbles are to be drawn at random with replacement and X…

A: Solution: Let X be the number of red marbles. From the given information, there are 3 red and 5 blue…

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

A:

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

A: Introduction: Denote X as the random variable representing the number of adult smartphone users who…

Q: At a certain pizza parlor, 65% of the customers order a pizza containing onions, 61% Of the…

A:

Q: If 2 marbles are to be drawn at random without replacement and X denotes the number of red marbles,…

A: Given, Red Marbles = 3 Blue Marbles = 5 Total Marbles = 8 Let X denotes the number of red marbles

Q: Let 3% of the items made by a factory are defective. Find the probability that there are 4 defective…

A:

Q: Assume that when adults with smartphones are randomly selected,56​% use them in meetings or classes.…

A: Given,n=5p=0.56Let X=no.of adults use their smartphones in meeting or classesX~Binomial(n=5 ,…

Q: Assume that when adults with smartphones are randomly selected, 53% use them in meetings or classes.…

A: Let the random variable X denote the no. of adult Smartphone users in a meetings or classes and it…

Q: A shipment of 7 television sets contains 2 defective sets. A hotel makes a random purchase of 3 of…

A: Given that X=the number of defective purchased by the hotel. There are total 7 sets. We can pick any…

Q: Suppose a life insurance company sells a $120,000 one-year term life insurance policy to a…

A: Given P=0.999356 q=1-p     =1-0.999356     =0.000644

Q: Assume that when adults with smartphones are randomly​ selected, 49​% use them in meetings or…

A: Given: n=8p=49%=0.49

Q: A number of customers arrive at a cafeteria during lunch hour at an average rate of 0.025 per…

A: Reviewing information, X: Average rate of arrival of customers= 0.025 per second

Q: Mark buys a bag of cookies that contains 5 chocolate chip cookies, 6 peanut butter cookies, 5 sugar…

A: Number of chocolate chip cookies=5 Number of Peanut butter cookies=6 Number of sugar cookies=5…

Q: Calculate the probability that is between 0.2  and 0.7, if x is uifomly distributed in  the interval…

A:

Q: A local drugstore owner knows that, on average, 100 people enter his store each hour. a. Find the…

A: Here we will use poisson distribution;

Q: A manager must select a committee of three from his staff of six men and four women. He writes their…

A: Obtain the probability that he picks two women. The probability that he picks two women is obtained…

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

A:

Q: A shipment of 7 television sets contains 3 defective sets. A hotel makes a random purchase of 3 of…

A:

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

A: Let x follows binomial distribution with parameters n =5 and p = 0.47.   The pdf of binomial…

Q: Suppose that we draw three cards (with replacement) from a standard deck containing 52 cards. Let X…

A: Given: Total number of cards is 52. Number of black card is 26. Let X be the number of black cards…

Q: Among a large group of patients recover-ing from shoulder injuries, it is found that 22% visit both…

A: Among a large group of patients recovering from shoulder injuries, it is found that 22% visit both a…

Q: Assume That when adults with smart phones are randomly selected, 52% use them in meetings or…

A: Solution: Let X be the number of number of adult smart phone users use their smart phones in meeting…

Q: A card is selected at random from a standard deck of playing cards. compute the probability that…

A: We have 4 cards with number 10 Of the 52 cards in a total pack

Q: Determine whether the events are mutually exclusive or not mutually exclusive then find the…

A: Introduction: The mutually exclusive events are very important in the theory of probability. When…

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

A: p = 0.52 n = 10

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

A: Given,n=6p=0.57Let X=no.of adults use their smartphones in meeting or classes.X~Binomial(n=6 ,…

Q: Assume that when adults with smartphones are randomly selected, 54% use them in meetings or classes…

A:

Q: A factory produces nails and packs them in boxes of 200. If the probability that a nail is…

A: Let X denote the number of nails which are substandard. Here, sample size is 200. Probability of…

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

A: It is given that n = 9 and p = 0.36.

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

A:

Q: A card is selected at random from a standard deck of playing cards.Compute the probability that the…

A:

Q: Assume that when adults with smartphones are randomly​ selected, 45​% use them in meetings or…

A: Let the random variable X denote the no. of adult Smartphone users  use their smart phones in…

Q: Assume that when adults with smartphones are randomly​ selected, 54​% use them in meetings or…

A: Let "X" be adults who use their smartphones in meetings or classes.

Q: Assume that when adults with smartphones are randomly selected, 56% use them in meetings or classes.…

A: We have given that  Sample size n = 7 Success of probability is = 0.56 X~binomial ( n , p)…

Q: Find the probability that a randomly selected junior prefers meat toppings. In other words, find the…

A: The conditional probability of event A and B is, The value of probability is obtained by:

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

A: