A box of 1515 flashbulbs contains 22 defective bulbsbulbs. A random sample of 2 is selected and tested. Let X be the random variable associated with the number of defective bulbs in the sample.   ​(A) Find the probability distribution of X. ​(B) Find the expected number of defective bulbs in the sample.

Q: According to a recent study, 23% of peanut M&M's are brown, 10% are yellow, 15% are red, 23% are…

A: The probability of M&M is yellows (p) is 0.10. The sample size n is 4.

Q: Every customer in a restaurant is served water. I represents a randomly selected customer that…

A: Given events; I: a randomly selected customer that has water with ice. L: a randomly selected…

Q: Regifting is defined as the act of taking a gift that has been given to you and presenting it as a…

A: Given,n=10p=0.85q=1-0.85=0.15A random variable X~Binomial(n=10 , p=0.85)P(X=x)=Cx(0.85)x(0.15)10-x…

Q: A subway train will arrive every 8 minutes. Assume the time for the next train to arrive is a…

A: Solution: If X be the uniform random variable, then the probability density function of X is Let X…

Q: In a school, the probability of a student wearing spectacles is found to be 0.75. The principal…

A: P(spectacles) = p = 0.75 sample size (n) = 12 x = no. of students wearing spectacles     here each…

Q: The probability that a person in the United States has type B​+ blood is 10​%. Three unrelated…

A: Givenn=3p=0.1q=1-pq=1-0.1=0.9Let X=no.of people have B+ blood groupX~Binomial(n=3 , p=0.1)P(X=x)=3x…

Q: x is the number of defective parts in a sample of 10 randomly selected parts coming from a…

A:

Q: List all of the possible values of the random variable X

A: Since , a disciplinary board at a university consists of 6 faculty members, 2 administrators, and 1…

Q: What is the probability that in a random sample of 510 voters, less than 49.7% say they will vote…

A: From the given information : population proportion p = 0.524 sample size n = 510

Q: The probability that a person in the United States has type B* blood is 13%. Four unrelated people…

A: Sample size, n=4 Success probability, p=0.13

Q: People's arrivals at a register occur at a constant rate of 7 per hour. It  will take about 10…

A: Given that rate of arrival  = 7 per hour and we can assume that arrival rate follows Poisson…

Q: In some city, 50% of the eligible voters prefer candidate A, 40% prefer candidate B, 10% have no…

A: 1. It is given that, 50% of the eligible voters prefer candidate A and 12 eligible voters are…

Q: Suppose that a box contains 8 marbles: 2 blue and 6 green. Two marbles are drawn without…

A: From the provided information,Box contains 8 marbles.2 are blue and 6 are green.Two marbles are…

Q: The probability that a person in the United States has type B+ blood is 13%. Five unrelated people…

A:

Q: Fifty percent of consumers prefer to purchase electronics online. You randomly select 8 consumers.…

A:

Q: The table on the right table s of adults (from many sample

A: According to the sum, A table is given of the probability distribution of the number of adults who…

Q: A jar contains 6 pennies, 7 nickels and 7 dimes. A child selects 2 coins at random without…

A: Given information: A jar contains: 6 pennies 7 nickels 7 dimes A child selects 2 coins at random…

Q: The table summarizes results from 985 pedestrian deaths that were caused by automobile accidents.…

A: