Suppose the total weight of passengers and luggage on an airline flight is normally distributed with mean 8914 and standard deviation 32 What is the 2.28th percentile of total passenger weight

Q: The length of human pregnancies from conception to birth approximates a normal distribution with a…

A: Let X be length of time marks the longest 2.16 % of all pregnancies from normal distribution with…

Q: The weights of newborn baby boys are normally distributed with a mean of 3.33 kg and a standard…

A: GivenMean(μ)=3.33standard deviation(σ)=0.40

Q: The systolic blood pressure of 19-year-old women is normally distributed with a mean of 120 mmHg and…

A: According to the empirical rule,

Q: About what percent of the products last between 12 and 15 days?

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Q: uppose that the resting h stributed with mean 80 a /hat heart rate would a m

A: Let X be a random variable with mean 80 and s.d. 15 that follows a normal distribution. So,…

Q: The weights of students in a large statistics class vary according to a normal distribution with…

A:

Q: The height for an adult American male resident is normally distributed with average 175.3…

A: given data normal distribution μ=175.3σ=7P(x>171)=?

Q: Assume that the number of pieces per bag has a mean of 72 with a standard deviation of 1.use the…

A: We have to find given probability by using emperical rule...

Q: The speeds of all cars on the tollway was found to be normally distributed with a mean of 63 miles…

A: It is given that that µ=63 mile per hour. Obtain the standard deviation of the speeds of all cars:

Q: The weight of a type of dog follows Normal distribution with mean of 10 pounds and standard…

A: It is given that the mean and standard deviation are 10 and 2.

Q: The retirement age of National Football League (NFL) players is Normally distributed with a mean of…

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

Q: he retirement age of National Football League (NFL) players is Normally distributed with a mean of…

A:

Q: 1. The life spans of a particular species of turtle are normally distributed with a mean of 180…

A: Given that mean =180 ,s.d =40 P ( 100 <X < 260) = ?

Q: The mean and standard deviation of hemoglobin level of 23 vibrant students and 21 school children…

A: We have to test claim.

Q: The lengths of pregnancies are normally distributed with a mean of 280 days and a standard deviation…

A:

Q: The weights of students in a large statistics class vary according to a normal distribution with…

A:

Q: Steel rods are manufactured with a mean length of 27 centimeter​ (cm). Because of variability in the…

A: Given,mean(μ)=27standard deviation(σ)=0.06

Q: A mechanical device has a wear out time distributed normally with a mean of 1100 hours and a…

A:

Q: Head circumferences of some males have a bellshaped distribution with a mean of 57 centimeters and a…

A: Head circumferences of some males have a bellshaped distribution : Bell shaped distribution means…

Q: The weights of students in a large statistics class vary according to a normal distribution with…

A:

Q: The mean and variance of population with sample size is 100 is 20 and 4 respectively.Calculate the…

A:

Q: On a dry surface, the braking distances (in feet), from 60 miles per hour to a complete stop, of a…

A: Solution: Let X be the breaking distance of a sedan. From the given information, X follows normal…

Q: The weights of students in a large statistics class vary according to a normal distribution with…

A:

Q: The daily sleep duration among college students is normally distributed with a mean of 7.13 hours…

A: Solution

Q: The lengths of a particular animal's pregnancies are approximately normally distributed with mean of…

A:

Q: The drive distance (in yards) for professional golfers is normally distributed with a mean of 308.04…

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

Q: The weights of students in a large statistics class vary according to a normal distribution with…

A:

Q: The mean gas mileage for cars driven by the students at Chillville High School is 28.0 miles per…

A:

Q: The length of human pregnancies from conception to birth approximates a normal distribution with a…

A: From the provided information, Mean (µ) = 268 Standard deviation (σ) = 17

Q: The mean gas mileage for cars driven by the students at Chillville High Schoo is 28.0 miles per…

A: Normal distribution is continuous distribution which has many real life applications. Standard…

Q: The weights of students in a large statistics class vary according to a normal distribution with…

A:

Q: Assume that adults have IQ scores that are normally distributed with a mean of 100.3 and a standard…

A: Assume that adults have IQ scores that are normally distributed with a mean of 100.3 and a standard…

Q: Assume that the hourly cost to operate Saint-Martin Hyundai bus follows the normal distribution with…

A:

Q: What is the proportion of vehicles less than or equal to the speed limit?

A: Let , X→N(μ=71 , σ=8) Our aim is to find the proportion of vehicles less than or equal to the speed…

Q: What is the greatest amount of time that a newborn can sleep and still be in the bottom 75% of…

A: Let , X→N(μ=15.5 , σ=1.6) Our aim is to find the greatest amount of time that a newborn can sleep…

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

A: It is given that the scores follow normal distribution with mean 104 and standard deviation 14.…

Q: A diastolic blood pressure level above 90 mm Hg is considered to be hypertension. What percentage of…

A: The random variable X is defined as the diastolic blood pressure levels in women which follows…

Q: The average age of cars on the road in the United States follows a normal distribution with a mean…

A: The random variable age of car follows normal distribution. The population mean is 11.9. The…

Q: The parts per million concentrations of a particular toxic substance in a wastewater steam is known…

A: Percentile is a type of measurement that used to understand the location of the variables. It…

Q: The number of calories consumed per day for a child is normally distributed with a mean of 1544 and…

A: The number of calories consumed per day for a child is normally distributed with a mean of 1544 and…