The time until recharge for a battery in a laptop computer under common conditions is normally distributed with a mean of 260 minutes and a standard deviation of 50 minutes.The battery life in minutes that is exceeded with 95% probability is closest to

Q: One country’s annual rainfall has a normal distribution with mean of 100 inches and standard…

A:

Q: Assume that adults have iq scores that are normally distributed with a mean of 100 and a standard…

A: Solution: Let X be the adults IQ score has normally distributed with mean μ=100 and standard…

Q: The lengths of human pregnancies are normally distributed with a mean of 268 days, and a standard…

A: Given that, X~N(268,152) n=10

Q: All incoming freshmen at a major university are given a diagnostic mathematics exam. The scores are…

A: Given ,    Mean μ=120  Standard deviation σ=25Let x be cut store for review

Q: If a brisk walk at 4 mph burns an average of 300 cal per hour, find the probability that a person…

A: Given data: Mean = 300 Standard deviation  = 20 To find: The probability that a person will burn…

Q: Assume that adults have IQ scores that are normally distributed with a mean of 104.7 and a standard…

A: It is given that the IQ score follows normal distribution with mean 104.7 and standard deviation…

Q: A bank loan officer rates applicants for credit. The ratings can be described by a normal model with…

A: Given: μ = ​200 σ = 50

Q: assume that women's heights are normally distributed with a mean of 63.6 inches and a standard…

A: Mean = 63.6 Standard deviation = 2.5 Sample size = 81

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: An exam score has a mean of 504 and standard deviation of 90.  What exam score coresponds to a…

A: given data, An exam score has a mean of 504μ=504standard deviation of 90.σ=90  exam score(x)…

Q: MCAT scores are normally distributed with a mean of ? ​​= 501.5 and a standard deviation of ? =…

A: Given: Population mean μ = 501.5 Population standard deviation σ = 10.7 Formula Used: Z-score = X-μσ

Q: The length of time it takes college students to find a parking spot in the library parking lot…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

Q: The lifespans of batteries are normally distributed with a mean of 2000 hours and a standard…

A: Solution: a. Let X be the life spans of batteries. From the given information, X follows normal…

Q: The average score of all golfers for a particular course has a mean of 78 and a standard deviation…

A: It is given thatMean, μ = 78Standard deviation, σ = 5Sample,size,, σ = 5