With a o.95 probability, the margin of error is approximately O a.0.564 O b.0.473 O C.1.96 Od1.645

Q: C. The probability that the the child will be older than 5 years old? | 0.8681 d. The probability…

A: Consider that the answer of the given part a, b, and c are the correct answer. And distribution is…

Q: Find the probability that exactly one head appears in two flips of a fair coin.   A. P(H) = 1/2…

A: If we tosses two coins the the total number of outcomes or sample space (S) is,  S = { HH, HT, TH,…

Q: Using a standard six-sided die, Janice rolled either a 2 or 5 on the last 6 rolls of die.  What's…

A: Solution Given That, Using a standard six-sided die, Janice rolled either a 2 or 5 on the last 6…

Q: when flipping an unbiased coin, the probability that the first head occurs on the third trial =…

A:

Q: airdie is rolled, then the probability that an even number is rolled is a. 0 b. 1/2 c. 1/6 d.…

A: We have  to find the probability that an even number is rolled is..

Q: LeBron James makes 73% of his freethrow attempts. Calculate the probability that LeBron makes…

A: Introduction: A Binomial is a type of distribution which has two possible outcomes. i.e., either…

Q: A life insurance company sells insurance policies to clients age 80 or younger.  You are given:…

A:

Q: d. What is the probability that four or more of the LED light bulbs are defective? The probability…

A: We have given thatp = 0.04n = 20X ~Binomial(n, p) X ~ Binomial (20, 0.04)The PMF of the Binomial…

Q: You roll a fair die four times. What is the probability that you roll at least one 3? O A. 1 O B.…

A: Required probability = 1- 0.83333*0.833333*0.833333*0.833333 = 0.518   Correct answer  is   (E).…

Q: The average number of defects on a rubber band is 0.35 per meter. a. What is the probability that a…

A:

Q: Internet sites often vanish or move so that references to them cannot be followed. In fact, 13% of…

A: Binomial distribution: The binomial distribution gives the probability of number of successes out of…

Q: There are 35 students ina class. One of them will be elected as the class monitor. The type of…

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Q: The average number of customers who come to a supermarket is 10 people/hour.  The probability that…

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Q: 2. What is the probability of the area below z = -1.25? a. 0.1056 b. 0.1038 c. 0.1025 d. 0. 3. Find…

A: 2) P(Z<-1.25)=?

Q: What is the approximate probability that a point chosen inside the rectangle is in the shaded…

A: Given a rectangle with some part inside it shaded. We need to find the probability that a point…

Q: cording to a recent survey, the probability that the driver in a fatal vehicle accident is female…

A: GIVEN DATA event A  : river 24 years old or lessevent F : driver in a fatal accident is femaleP(F) =…

Q: A computer salesman averages 1.9 sales per week. Find the probability that in a randomly selected…

A: The number of events occurred over a interval or period of time follows a discrete distribution.…

Q: Number of Tests Performed Number of Patients 12 1 8 2 2 3. 4 or more

A:

Q: In American football, touchdowns are worth 6 points. After scoring a touchdown, the scoring team may…

A: The Temple Wildcats are losing by 14 points to the Killeen Tigers near the end of regulation…

Q: What is the probability of getting a 3 from a rolling dice? a. ½ b.¼ c.1/3 d.1/5 e.¹/6

A: There are 6 faces of a dice and 3 is one of those 6 faces.   So, Total number of outcomes=6Number of…

Q: The cashier line of a canteen can facilitate up to 60 customers an hour. Frequenters of the canteen…

A: Given: The frequenters of the canteen arrive at an average of λ=50 per hour. The cashier line of a…

Q: A fair die is tossed three times. Find the probability of getting, a. Three 2’s b. Three 5’s c.…

A: The following information has been provided: A fair die is tossed three times. We need to compute:…

Q: Find the indicated probability. An IRS auditor randomly selects two tax returns from 50 returns of…

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Q: What is the probability of the spinner landing on yellow?   A. 1/2 B. 1/8 C. 3/8 D. 1/4

A:

Q: A dice is rolled 3 times. What is the probability of having 3 dots in all 3 rolls? A. 1/2 B. 1/72…

A: It is given that dice are rolled 3 times. Thus the probability of getting a dot in the single role…

Q: United Airlines' flights from Denver to Dallas are on time 90 % of the time. Suppose 5 flights are…

A:

Q: A dealer's profit, in units of $1000, on a new automobile is a random variable X having density…

A:

Q: Find the indicated probability. If P(A or B) = 0.8, P(A) = 0.3, and P(A and B) = 0.15, find P(B).…

A: From the provided information, P (A) = 0.3, P (A or B) = 0.8, P (A and B) = 0.15

Q: In 2015, the average hours per week spent by high school students in educational activities was 6.5.…

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Q: In a Police control room there are on an average 3 calls per 10 minute interval. The probability of…

A: The formula of Poisson is:

Q: A die is rolled twice. What is the probability of getting two even numbers? a. 1/6 b. 1/32 c. 1/8 d.…

A: roll a die twice.  there are 6 outcomes possible when we roll die : {1,2,3,4,5,6} {2,4,6} are even…

Q: College students were given three choices of pizza toppings and asked to choose one favorite.…

A: To estimate the probability that a randomly selected student who is a junior or senior prefers…

Q: Two dice are rolled and the faces are added together. Give your answer as a decimal out to at least…

A: Ans - Given two dice are rolled   then                    Sample space (S) = {(1,1), (1,2), (1,3),…

Q: The probability of getting a Jack in a pack of cards is O a. 4/52 O b. 1/13 O c. 1/52 O d. 1/4

A: Deck consists of 52 cards n(s)=52Let E be event that card is jackNumber of jacks cards in a deck is…