The mean time required to assemble a bicycle is 20.5 minutes and the standard deviation is 2.3 minutes. Assuming that the data are normally distributed, find the probability that the time required to assemble a bicycle is at least 20 minutes.

Q: Only handwritten solution.In which platform is it solved course hero or bartleby

A:

Q: Assume that adults have IQ scores that are normally distributed with a mean of 98.6 and a standard…

A: Solution: Let X be the IQ Score. From the given information, X follows normal distribution with mean…

Q: A lightbulb is advertised as lasting 1000 hours with a standard deviation of 150 hours. Assume the…

A: The lasting duration of lightbulb is normally distributed with mean 1000 hours and standard…

Q: Assume that readings on thermometers are normally distributed with a mean of 0 and a standard…

A:

Q: A distribution of values is normal with a mean of 184.5 and a standard deviation of 26.9. Find the…

A:

Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…

A: Finding the value of z at lowest 14-1.08032 ( From Excel =NORM.S.INV(0.14))Finding the value of z at…

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 life of a vacuum cleaner is normally distributed with mean of 2 years and a standard deviation…

A: Given: Mean(μ)  = 2 years Standard deviation (σ) = 1 years

Q: A Run is a 5 kilometer race. The time taken for each runner to complete the race was recorded and…

A: A Run is a 5 kilometer race.Mean Time =28 MinutesStandard deviation =5 Minutes We have to find the…

Q: The average number of miles driven on a full tank of gas in a certain model car before its​ low-fuel…

A: It is given that the mean is 399 and the standard deviation is 36.

Q: Assume thAt scores on a standardized test are known to follow a bell shaped distribution with a mean…

A: L

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

A: Let "X" be the IQ score of the adults.

Q: an elevator is loaded with 16 male passengers, find the probability that it is overloaded because…

A: We have given that  Normally distributed with a mean of 182.9 lb and a standard deviation of 40.8…

Q: The overhead reach distances of adult females are normally distributed with a mean of 38 cm and a…

A: GivenMean(μ)=38standard deviation(σ)=12

Q: Assume that 11.7% of adults consider being a professional athlete their dream job. Find the…

A: It is given that p = 0.117 and n =2,760.

Q: Assume that the readings at freezing on a bundle of thermometers are normally distributed with a…

A: GivenMean(μ)=0οCstandard deviation(σ)=1.00oC

Q: A​ bank's loan officer rates applicants for credit. The ratings are normally distributed with a mean…

A: It is given that the ratings are normally distributed with mean 200 miles and standard deviation 50.

Q: The amounts of nicotine in a certain brand of cigarette are normally distributed with a mean of…

A: Given: mean = 0.963 grams, standard deviation = 0.312 grams. The z-score follows standard normal…

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

A: Given the finishing time for cyclists in a race has normal distribution with mean 143 minutes and…

Q: Assume that an adult female is randomly selected. Suppose females have pulse rates that are normally…

A: Given: Formula: Let "X" be the female pulse rates in beats per minute.

Q: The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which…

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 height of 10 year old females is normally distributed with a mean of 54.8 inches and a standard…

A: It is given that mean and standard deviation are 54.8 inches and 2.74 inches, respectively.

Q: Gender Employed Unemployed       Men 70,415 4,209 Women 61,402 3,314 total 131,817 7,523…

A: Given the data asGenderEmployedUnemployedMen70,4154,209Women61,4023,314Total131,8177,523

Q: Assume that adults have IQ scores that are normally distributed with a mean of 99.9 and a standard…

A: Given that, Mean = 99.9 Standard deviation = 24.5

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.