Find the probability that exactly one defective item is obtained. 0.509

Q: A local county has an unemployment rate of 4.4%. A random sample of 20 employable people are picked…

A: Given,n=20p=0.044q=0.956A random variable X~Binomial(n=20  ,  p=0.044)P(X=x)=Cx0.044x0.95620-x   ;…

Q: 6.84 Three cards are drawn from a deck of 52 cards. Find the probability that (a) two are jacks and…

A: Given::- Three cards are drawn from a deck of 52 cards.

Q: What is the probability of spinning a number divisible by 3?

A:

Q: John runs a computer software store. He counted 121 people who walked by his store in a day, 51 of…

A: We have given  the following statement about the software store.  121 people who walked by his store…

Q: Let X be the number of heads in 10 tosses of a fair coin. 1. Find the probability of getting at…

A: Introduction :- Let ,        X = Number of heads. Given :-  We have to toss a fair coin 10 times.…

Q: A quick quiz consists of a multiple-choice question with 5 possible answers followed by a true/false…

A: Given dataMultiple choice questions with 5 possible answers followed by a true and false5 possible…

Q: The probability that a spark plug is defective is 35%. Suppose that a person buys 7 spark plugs.…

A:

Q: A problem in Mathematics has given for 4 students. Their chances of solving the problem are 1 2 1…

A: We have to solve given problem:

Q: 6.87 (a) chosen at random (a) none will be defective, (b) 1 will be defective, and (c) at least 2…

A: Given::- Set up a sample space for the outcomes of 2 tosses of a fair coin, using 1 to represent…

Q: A research study uses 600 men under the age of 55. Suppose that 25% carry a marker on the male…

A: From the given information, The population size is N=600 Sample size, n=5 P(carrying marker)=25%…

Q: A point is chosen at random in the square shown below. Find the probability that the point is in the…

A: Given that, a dart hits the small square target shown below at a random point. Each side of the…

Q: Use theoretical probability to find. What is the probability of flipping three coins and getting two…

A: From the given information:To find the probability of flipping three coins and getting two tails and…

Q: A blood test indicates the presence of a particular disease 99% of the time when the disease is…

A: The provided information is as follows:The probability of having the disease is 4%.The probability…

Q: average weight of 4150 lb and SD = 450 lb Find each as a 2-decimal percentage - DO NOT put the %…

A: Given that.   X~N( μ , ?)   μ=4150     , ?=450   Z-score =( x - μ )/?

Q: The probability that a person who booked a flight will actually show up is 0.95. If the airline…

A:

Q: 19. What is the probability that a number selected at random from the first 50 positive integers is…

A: GivemTotal no.of positive integers = 50

Q: K A coin is tossed 12 times. Find the probability of tossing five or six tails. The probability of…

A: toss coin 12 times P(head) = P(tail) = 0.5 x = no. of tails P(x=X) = nCx(p)x(q)(n-x)

Q: A new medication has been found to relieve pain symptoms in 80% of people who take it. The…

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Q: In the past, it had a probability of 0.68 success in any attempt to make a call on the telephone.…

A:

Q: A rescarch study uses 800 men under the age of 55. Suppose that 30% carry a marker on the male…

A: From the given information, The population size is N=800 Sample size, n=5 P(carrying marker)=30%…

Q: Lacy draws a club from a standard deck of 52 cards. Without replacing the first card, she then…

A: A standard deck contains 52 cards. Lucy draws a club from it.Without replacing the first card, she…

Q: Use the spinner below to find the probability of getting the following number after 1 spin. 12 1 11…

A: Given that  Total possible outcomes=(1,2,3,4,5,6,7,8,9,10,11,12) Total sample space=N=12

Q: 6.85 Find the probability of at least two 7's in four tosses of a pair of dice. 6.86 If 10% of the…

A: Given that,we have to find the probability of at least two 7's in four tosses of a pair of…

Q: Find the values of (a) zo.10. (b)-20.05. (c)-20.048

A: a) z0.10: PZ≤z=0.10          z=-1.28, from the Excel function, =NORM.INV(0.1,0,1)

Q: There are 10 students in a class, in which three are left-handed. If two students are chosen at…

A: From the provided information, Total students in class = 10 Three are left handed. Two students are…

Q: Roll a die until you get four 6s, What is the probability that this will happen in seven rolls? a.…

A:

Q: 5.50 Find the probability that a person flipping a coin gets (a) the third head on the seventh flip;…

A:

Q: (Your answer for a and b should be in percentage and rounded to TWO decimal places.Don't forget to…

A: Givenon average there are 6 fires in a yearλ=6 fires in a yearx~Poisson(λ=6)P(X=x)=e-λ×λxx!

Q: 34. It denotes the probability of committing a Type ll error. a A. D. B.

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Q: find the probability that the number of the red candy is more than or equal to the 2.68

A: More than or equal to 2.68 means X=3,4,5 for this case.So the total frequency for X=3,4,5 is=…

Q: A box contains 10 cards numbered from 0 to 9. 1. In how many ways we can select 4 cards in order and…

A: Given,total no.of cards=10 (numberd from 1 to 9)

Q: d. Between 2 and 9 (including 2 and 9) of them live in poverty.

A: Given that  Number of trials n=47 Success of probability p=0.10 X~binomial (n,p)

Q: John runs a computer software store. He counted 120 people who walked by his store in a day, 53 of…

A: Given : Number of people who came into the store = 53 Out of 53, number of people who bought…

Q: A quick quiz consists of a true/false question followed by a multiple-choice question with 6…

A:

Q: Toss a coin 100 times, find the probability that a Head will appear at most 43 times

A: Let define a random variable X as, X : The number of times Head appears in experiment of tossing a…

Q: If the probability that your DVD player breaks down before the extended warranty expires is 0.021,…

A: P(DVD player break down before extended warranty expires) = p = 0.021 P(DVD player will not break…