What is the probability of three calls in five minutes? (Round your answer to four decimal places.) (b) What is the probability that there are no calls in a five-minute period?

Q: How are your grades? In a recent semester at a local university, 400 students enrolled in both…

A: given data  n(total) = 400 n(A in statistics) = 90 n(A in psychology) = 68 n(A in both) = 31

Q: Makayla is flying from Memphis to Oklahoma City with a connection in Denver. The probability her…

A:

Q: Twenty-one percent of people say they've seen a ghost or felt its presence. If 13 people are asked,…

A: Answer:- Given, Twenty-one percent of people say they've seen a ghost or felt its presence. That is,…

Q: A game of chance costs $5 to play. The game requires the player to roll a fair six-sided die until…

A: Given: Number of faces = 6 A die is rolled until 1 appears.

Q: An insurance company claims the probability of surviving a certain type of cancer is 30%. What are…

A: The objective of this question is to convert the given probability into odds. Probability and odds…

Q: Suppose you like to keep a jar of change on your desk. Currently, the jar contains the following: 9…

A: given data  Pennies=9 Dimes=20 Nickels=22Quarter=8________________total coins=59

Q: The probability of an event occurring is 4/7. Determine the odds against the event occurring

A:

Q: tested negative, what is the probability that they actually have diabetes? Round your answer to five…

A: A blood test for diabetes gives a positive result with a proportion of 0.28 when an individual has…

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

A: Let x be follows binomial distribution with parameters n = 8 and p = 0.60   The pdf of binomial…

Q: A car insurance policy costs P7000 per year from an insurance firm. The insurer shall pay P10,000…

A: Policy cost is P 7000.  Accident Pay Probability Minor Accident 10000 0.20 Big accident 50000…

Q: A medical test is given to 1000 people, 53% of whom have diabetes. The test has a false positive…

A: Given that , a medical test is given to 1000 people, 53% of whom have diabetes. It's mean 530 people…

Q: A baseball player has a batting average of 0.265. What is the probability that he has exactly 2 hits…

A: Given data, p(hit) =p=0.265 sample size (n)=7 x = no. of hits in 7 bats P(x=2) =?

Q: out of every 5 free throws. What is the probability, as a decimal, that Brian will make the next two…

A: Events are independent because the result of one throw does not affect the result of other throws

Q: 1. A basketball player has a 70% free-throw shooting percentage. What is the probability that it…

A: P(Successful free throw) = p = 0.70P(failed to make successful free throw) = q = 1 - 0.70…

Q: The type and number of fish caught in the Charleston Harbor in March was recorded for a month. The…

A: From the provided information, The number of fish caught in March: Flounder Red Drum Black…

Q: Job satisfaction: In a poll, 421 out of 1929 people said that they check their email multiple times…

A: From given data we have : n=1929X=421

Q: In a certain city district, the need for money to buy drugs is stated as the reason for 63% of all…

A: Solution-: Given: n=5,p=0.63 (Or 63%) Our aim to find, (a) P(X=2)=? (b) P(X≤3)=?

Q: A golf ball is selected at random from a golf bag. If the golf bag contains 5 yellow balls, 7 brown…

A: Given, Number of yellow balls=5 Number of brown balls=7 Number of black balls=5   Total balls=17

Q: The table below shows results for a cancer screening test.   Positive Test Results (Test shows…

A: The union probability for any two events A and B is defined as P(A ∪ B) = P(A)  + P(B) – P(A ∩ B).

Q: A baseball player has a batting average of 0.155. What is the probability that he has exactly 1 hits…

A: Let, X be the random variable representing the number of hits at bat.p = 0.155n = 7Here We will use…

Q: The Clippers basketball team are predicted to win 90% of their games during the playoffs.  If this…

A: From the given information, n=3 p=0.90 Using binomial distribution, the required probabilities will…

Q: People enter a coffee shop at a rate of 1 person every 3 minutes. What is the probability that no…

A: Let X denote the number of people who enter the coffee shop and X ~ Poisson (λ) We have λ = 1 person…

Q: A carnival game consists of choosing a rubber duck from a kiddie pool. If the duck has a red dot on…

A: There are 10 ducks in the pool, and 2 of them have red dots.

Q: Winston, a dog, loves to play fetch.  He catches each ball mid-air independently with probability…

A: From the given information we find the mean number of catches.

Q: Sociologists want to determine the probability that exactly 3 out of 6 individuals whom they survey…

A: Probability

Q: 1. a. What is the probability that Snoopy got the first question correct? b. What is the probability…

A: Snoopy is giving the test and gives the answers by guessing. Number of questions (n) = 20…

Q: If the probability that a randomly chosen college student takes statistics is 0.34, then what is the…

A: The probability that a randomly chosen college student takes statistics is 0.34. The probability…

Q: 5. Using the assumptions in question 4, if the Oxnard College softball team plays three games, what…

A: Probability, p = 50% = 0.50Sample size, n =3

Q: At Ice Cream Haven, 10 of the last 14 sundaes sold had nuts. What is the experimental probability…

A:

Q: Maggie is practicing her penalty kicks for her upcoming soccer game. During the practice, she…

A: Sample size, n = 10Probability , p = 65% = 0.65

Q: (c) Repeat part (b) for a community of 750 people.(round your answers four decimal places) P(5…

A: Given: birth rate is about 16 per 1000 people death rate is about 13 per 1000 people. P( birth) =…

Q: In Our daily life use of probability? give some example?

A: Example 1: In the news, we hear the probability of raining today / sunny today/ cloudy today.  This…

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 Edmonton Oilers win 70% of their games if they score first, but only 40% of their games if the…

A: