The amount of time that people spend going through airport security at a busy airport is normally distributed with a mean of 25 minutes and a standard deviation of 4.8 minutes, What is the probability that a person has to wait more than 29 minutes ? Round to four decimals

Q: A soft drink machine outputs a made of 28 ounces per cup. The machines output is normally…

A: Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: Scores on a history test have average of 55 with standard deviation of 10. What is the probability a…

A:

Q: Scores for a standardized test are normally distributed with a mean of 1200 and a standard…

A: given data μ = 1200σ = 60 normal distributionn = 64P(1200<x¯<1214) = ?

Q: The height of Christmas trees are normally distributed. The standard deviation of Christmas trees is…

A: Given: μ=1250 and σ=200   The z is calculated asz=x-μσ

Q: he probability that a patient recovers from a delicate heart operation is 0.85. What is the standard…

A:

Q: Tiger Woods hits an average driver 287.2 yards with a standard deviation of 24.6 yards. What is the…

A: The probability value is calculate by means of standard normal variate with the random variable,…

Q: The time it takes a computer repair company to diagnose a computer follows a normal distribution…

A: Given data  X = time taken for computer repair company to diagnose a computer μ=50   σ=12…

Q: The probability that a patient recovers from a delicate heart operation is 0.85. What is the…

A: Here, p=0.85 and n=7. The general formula for SD is, SD=np1-p

Q: The probability that a patient recovers from a delicate heart operation is 0.85. What is the…

A: The standard deviation of the binomial random variable obtained by the formula is σ=np(1-p), where…

Q: The amount of soda in a randomly selected bottle varies according to a normal distribution with mean…

A: From the given information,   Mean = 7 Standard deviation = 8   The objective is to find the…

Q: Working in the garden pulling weeds/planting flowers burns an average of 200 calories per hour. If…

A: It is given that  Mean, μ = 200 Standard deviation, σ = 9 Z-Score, Z = ( X - μ )/σ

Q: A researcher showed the mean of weights of college football players to be 200 pounds with a standard…

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Q: William revealed that he makes 1,000,000 dollars annually. The average annual income in the country…

A:

Q: The average time a person spends shopping in a grocery store is 43 minutes.  If the time is normally…

A: Given:  The average time a person spends shopping in a grocery store is 43 minutes.  The time is…

Q: Scores on a certain standardized test have a mean of 500, and a standard deviation of 50. How common…

A: Given: Meanμ=500 Standard Deviationσ=50 The probability that the score is between 350 and 400 is…

Q: Peter collected data to find that the finishing times for cyclists in a race has a normal…

A: 68-95-99.7-rule: Let X be an observation from a normal distribution, having mean µ and standard…

Q: The probability that a patient recovers from a delicate heart operation is 0.85. What is the…

A: Number of patients (n) = 8 p(patient recovers) = 0.85 Let "X" be the number of recovered patients…

Q: The driving distance to work for residents of a community is has a mean of 21 miles and a standard…

A: The objective here is to find the probability that individual drives between 10 and 20 miles to…

Q: A running back on the Spartans football team gains an average of 3.5 yards per carry with a standard…

A: Given : A running back on the Spartans football team gains an average of 3.5 yards per carry with a…

Q: The life of light bulbs is distributed normally. The mean life time of a bulb is 520 hours and the…

A: Answer: Using the given data, Let X represent the life time of a light bulb X follows normal…

Q: The time until recharge for a battery in a laptop computer under common conditions is normally…

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Q: College students average 8.4 hours of sleep per night with a standard deviation of 35 minutes. If…

A:

Q: The amount of money an American spends on Holiday presents is normally distributed with a mean of…

A: Given Mean=650 Standard deviations=80

Q: The average heart rage is 18 inches in length with a standard deviation of.5 inches.  Research shows…

A: From the given information,   Mean = 18 Standard deviation = 5

Q: It is known that people in the USA spend on average 17 hours a day using electronic devices with a…

A: The objective of this question is to find the probability that someone spends more than 20 hours a…

Q: Scores on a Registered Nurse (RN) aptitude exam are normally distributed with a mean of 72 and a…

A: Given,Population mean(μ)=72Population standard deviation(σ)=8

Q: Assume that people playing World of Warcraft in a week has a normal distribution with a mean of 54…

A: The probability that a randomly selected person played more than 89 hours is obtained below, From…

Q: Assume that the square footage of a residential house in the US is normally distributed with a…

A: According to the given information in this question  We need to find the probability that it will be…

Q: The life of light bulbs is distributed normally. The standard deviation of the lifetime is 30 hours…

A: Answer: From the given data, Mean ( μ) = 525 Standard deviation(σ) = 30 X follows normal…

Q: The height of Christmas trees are normally distributed. The standard deviation of Christmas trees is…

A: Given Information: The height of Christmas trees are normally distribution with mean μ=1400 inches…

Q: probability that a patient recovers from a rare blood disease is 0.4. If 15 people are known to have…

A: Given problem is binomial distribution Let, X: Patient recovers from a rare blood disease p=Prob. of…

Q: The following table contains the probability distribution for the number of traffic accidents daily…

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Q: udit him. The game tree with the associated payoffs is given below. Th Is are ordered (Bezos, IRS).…

A: Ina. To find a Bayes Nash Equilibrium of the game, we need to find a strategy for each player such…

Q: College students average 7.1 hours of sleep per night with a standard deviation of 35 minutes. If…

A: