words/minute. Find the probability that the printing machine prints less than129 words/minute.

Q: The average amount of money held by each child in a group of 5 is $0.50.If one of the children loses…

A: Given that: Total number of child = 5Average money held by each child = $0.50

Q: find the probability of left of z = 2.3456

A: z-score: The area under the Normal distribution curve represents the probability and the total area…

Q: If the probability of having rain tomorrow is 40%, what is the probability of not having rain…

A: It is given that  P( rain tomorrow ) = 40%

Q: The probability that a randomly selected commuter listens to audiobooks during their commute is…

A: Given: p = 0.35 ∴ q = 1 – 0.35 = 0.65 n = 10 Let X denote the number of commuters that listen to…

Q: You pick three different numbers from 1 and 12. If you pick all the numbers correctly you win…

A:

Q: In a recent survey, 303 out of 350 residents of Salem, MA said they are planning on passing candy…

A: here given ,  303 out of 350 residents of Salem, MA said they are planning on passing candy during…

Q: Identify the probability of success for x∼B (12,0.8)

A: Given  X~B(n=12,p=0.8)

Q: 6 2/5% of 120 as percentage

A:

Q: In a very delicate operation, the only chance of survival is 80 percent. Find the probability that…

A: 90% of 10 patients is X= 90*10/100 = 9 X= 9  We've to find the probability that exactly 9 patients…

Q: It is known that the probability that a treatment against a disease in plants will be successful…

A: From the provided information, The probability that a treatment against a disease in plants will be…

Q: Find mean of 2 and 10

A:

Q: Write a short note on average.

A: Mean (average): The arithmetic mean (also called the average) is the most commonly used measure of…

Q: A mail order company has a 7% success rate. If it mails advertisements to 636 people, find the…

A: Givenp=0.07n=636let "x" be no. of getting salesx~Binomial(n=636,p=0.07)P(X=x)=(nx)px(1-p)n-x  ;…

Q: On average, you receive four pieces of junk mail a day. Find the probability that you receive next…

A: Given that On average, we receive four pieces of junk mail a day. Than we have to find the…

Q: The probability that it will rain in a city is 0.1. Find the probability that it will rain on a…

A: Given data: The probability that it will rain in a city is P(R)=0.1. The expression for the…

Q: The average count calculation errors at a local accounting firm per 12-h shift are 2.8. What is the…

A: Given that : λ=2.8

Q: 10% of what number 27 is ​?

A:

Q: What is the probability of having another man who earns more than the first man? Additionally, add…

A: It is given that  Mean, μ = 250000 SD, σ = 150000

Q: you are analyzing the variables that explain the returns on the stock of the Boeing Com- pany.…

A: We have to test hypothesis

Q: Answers must be in 4 decimals The probability that a husband watches Grace Anatomy is 0.40 and the…

A: P(a husband watches grace anatomy)=0.40 P(the wife watches grace anatomy)= 0.50 P(a husband watches…

Q: available so that the probability of none of the patients of the hospital turned away due to lack of…

A:

Q: Find the probability of drawing an ace at least once when you draw a card from a standard deck of…

A: Given data A standard deck of cards is given

Q: A box contains 5 white,2 red and 2 black balls. If 3 are drawn in succession Which is the…

A:

Q: Can the value 2 be a probability?

A: Valid conditions for probability: The probability is non-negative. That is, the probability is…

Q: The mean life of a person who has had a heart transplant is about 12 years. Find the probability…

A: Answer: From the given data, Mean life of a person who has had a heart transplant is = λ = 12 years…

Q: John runs a computer software store. Yesterday he counted 131 people who walked by the store, 66 of…

A:

Q: You have 16 vampire bats. These bats have a population variance of 3.4 ounces. You wish to make a…

A: Given: Sample size (n) = 16 Population variance σ2=3.4 Sample mean x¯=15.20 Confidence level = 0.950

Q: The probability of rain today is 90% and the probability that Betty will forget to put the…

A:

Q: In a department store there are 193 customers, 73 of whome will buy at least one item. If 4…

A:

Q: The probability that a famous basketball player will score a basket on the free throw line in 60%.…

A: Here, n = 13 and p = 0.60.

Q: Abigail needs to create a four-digit password to access her voice mail. She can repeat some of the…

A:

Q: Approximate the probability (4 decimal places) of less than 9900 hits in a day.

A: Hiven ,Hits follow poisson distributionmean (μ) = λ = 10000 per daystandard deviation σ = λ = 10000…

Q: An umbrella seller can earn 750 TL every day if the weather is rainy, and lose 100 TL if it is open.…

A:

Q: The lacrosse team has a 65% chance of winning its upcoming games. Find the probability of them…

A:

Q: At an exhibition, the probability of visitors on the first day is 3/5. The ticket price for a…

A:

Q: If he serves 15 times, what is the probability that he gets exactly 9 first serves in

A: Here use binomial distribution