The heights of 14 year old girls is approximately normally distributed with a mean of 1.5 meters and a standard deviation of 0.07 meters. If a 14 year old girl is chosen at random, find each probability to 4 decimal places A. She will be taller than 1.584 meters ____ B. She will measure between 1.36 and 1.5231 meters____

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

A: We have given that,  X be the random variable from standard normal distribution with mean (μ) = 0°C…

Q: Assume that the blood pressure data is normally distributed with a mean of 70.2 and a standard…

A: The variable x¯ is defined as the mean blood pressure levels. The sample size is 16, mean is 70.2,…

Q: how much will the probability that the students are aged above 15 years old change?

A:

Q: Assume the readings on thermometers are normally distributed with a mean of 0degrees°C and a…

A: We have to find probability..

Q: Assume the readings on thermometers are normally distributed with a mean of 0 degrees Celsius and a…

A: We have to find out given probability..

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

A:

Q: Trucks in a delivery fleet travel a mean of 130 miles per day with a standard deviation of 39 miles…

A: The data on per day mileage of a delivery truck is normally distributed. Population mean, Population…

Q: the average grade is 84 with a standard deviation of 4. What is each grade for -1 2 0 1.5 -1.25

A: Given Mean μ=84Standard deviation σ=4 The formula for Z score isZ=X-μσX=Z×σ+μ

Q: Assume that the readings on thermometers are normally distributed with a mean of 0 degrees Celsius…

A: We have given that Mu= 0 , sigma =1 X~ N ( 0, 1) Zscore=(x-mu)/sigma

Q: The time spent waiting in the line is approximately normally distributed. The mean waiting time is 6…

A: Mean=M=6, Standard deviation=S=3X~N(M=6, S=3)

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: Assume that blood pressure readings are normally distributed with a mean of 123 and a standard…

A:

Q: A population is normally distributed with a mean of 50 and a standard deviation of 10. Find the…

A: Given data,Mean μ=50sd    σ=10P(X<44)=?

Q: Let X = number of miles a family travels for summer vacation. X follows a normal distribution with a…

A: From the given information,X follows a normal distribution with a mean of 311 miles and standard…

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: The time spent waiting in the line is approximately normally distributed. The mean waiting time is 7…

A:

Q: Trucks in a delivery fleet travel a mean of 120120 miles per day with a standard deviation of 3333…

A: Given that, Mean (m)=120 Standard deviation (sd) = 33 The mileage per day is distributed normally.…

Q: The time spent waiting in the line is approximately normally distributed. The mean waiting time is 5…

A: given data,normal distribution μ=5σ=3probability that person will wait more than 9 minutes =?

Q: Trucks in a delivery fleet travel a mean of 100 miles per day with a standard deviation of 19 miles…

A: Given that, μ=100σ=19 Let X denote the mileage per day and it follows normal distribution. That is,…

Q: Assume that adults have IQ scores that are normally distributed with a mean of 103.6 and a standard…

A: Given that adults have IQ scores that are normally distributed with, Mean = 103.6 Standard deviation…

Q: Assume IQ scores for adults are normally distributed with a mean of 100 and a standard deviation of…

A:

Q: The life of light bulbs is distributed normally. The standard deviation of the lifetime is 20 hours…

A: Denote X as the life of a randomly selected light bulb.

Q: The average age of our class is 22.3 years.  The standard deviation is 4.7 years.  If the variable…

A: Let X: Age of student. X~N(μ=22.2, σ=4.7)

Q: Nine experts rated two brands of coffee in a taste-testing experiment. A rating on a 7-point scale…

A: (a) State the hypotheses. That is, there is no evidence that there is difference in the mean…

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

A: Standard Normal Distribution: A random variable z is said to be a standard normal variable if z…

Q: 18 men will be tested for the discus throw. if Mu= 112ft and standard deviation= 13ft. find the…

A: The normal distribution:A continuous random variable X is said to follow normal distribution with…

Q: The life of lightbulbs is distributed normally. The standard deviation of the lifetime is 20 hours…

A: The following information has been provided: The population mean is μ=600. The population standard…

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

A: Given Data Population Mean,μ = 0 Population Standard Deviation,σ = 1

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

A: It is given that the mean is 0 and standard deviation is 1.

Q: The average American man consumes 9.9 grams of sodium each day. Suppose that the sodium consumption…

A: Answer of last part may vary if you take table z value other than two decimal places

Q: The time spent waiting in the line is approximately normally distributed. The mean waiting time is…

A:

Q: The average cost for two people to go to a movie is $18. The standard deviation is $4. Assume the…

A: From the information, given thatLet X denotes the cost of the movie which follows normal…

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

A:

Q: The length of time taken to complete a particular task on a construction site is found to be…

A:

Q: Trucks in a delivery fleet travel a mean of 100 miles per day with a standard deviation of 38 miles…

A:

Q: Let X = number of miles a family travels for summer vacation. X follows a normal distribution with a…

A:

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

A: Let X be the random variable from normal distribution with mean (μ) = 100 and standard deviation (σ)…

Q: Trucks in a delivery fleet travel a mean of 100100 miles per day with a standard deviation of 3535…

A: The objective of this question is to find the probability that a truck drives less than 148 miles in…

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

A: It is given that the,  that the readings on the thermometers are normally distributed with a mean of…

Q: O A. 0.8615 OB. 0.8819 O C. 0.0062 OD. 0.9938

A: Let X be the random variable from normal distribution with mean (μ) = 124, standard deviation (σ) =…

Q: The IQ's in a certain population are normally distributed with a mean score of 104 and a standard…

A: Given, Mean =104 standard deviation =14

Q: jogs to the park each day and the trip takes an average of µ = 22 minutes. The distribution of jog…

A: given data,normal distribution μ=22σ=10probability that Susan's jog to the park take less than 16…

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.