In a particular country, the height measurements of ten-year-old children are approximately normally distributed with a mean of 54.9 inches, and standard deviation of 9 inches. A) What is the probability that a randomly chosen child has a height of less than 45.5 inches? Answer= B) What is the probability that a randomly chosen child has a height of more than 48.2 inches? Answer=

Q: A study indicates that​ 18- to​ 24- year olds spend a mean of 140 minutes watching video on their…

A:

Q: The speed of cars on a stretch of road is normally distributed with an average 48 miles per hour…

A: GivenMean(μ)=48standard deviation(σ)=5.9

Q: The time that a shopper spends in the grocery store is normallydistributed, with a mean of 45…

A: Given Information: The time that a shopper spends in the grocery store is normally distributed with…

Q: New York City is the most expensive city in the United States for lodging. The mean hotel room rate…

A: We have to find given probability...

Q: The annual rainfall amount in Izmir is approximately normally distributed with mean 102.108 cm and…

A:

Q: The lengths of lumber a machine cuts are normally distributed with a mean of 88 inches and a…

A: It is given that the mean is 88 and the standard deviation is 0.3.

Q: The annual rainfall amount in Izmir is approximately normally distributed with mean 102.108 cm and…

A: From the given information: Consider, X be a random variable denoting the annual rainfall amount in…

Q: The time college students spend on the internet follows a normail distrubution. At Johnson…

A:

Q: Find the indicated probability. The lengths of humpback whales' pregnancies are normally…

A: x = length of human pregnancies Mean μ = 330 standard deviation (σ) = 25

Q: Gestation length (in days) of a dog forms a normally distributed data set with mean 69.2 and…

A: Given that gestation length (in days) of a dog forms a normally distributed data set with mean 69.2…

Q: The Coffee Bean and Tea Leaf morning customer load follows a normal distribution with mean 46 and…

A: Solution

Q: A soft drink machine outputs a mean of 24 ounces per cup. The machines output is normally…

A:

Q: a) The probability that a score is from 185 to 210 is 1 (Round to four decimal places as needed.) b)…

A: as per our company guidelines we are able to answer only first 3 sub-parts. Kindly repost other…

Q: The average number of pounds of red meat a person consumes each year is 196 with a standard…

A: We are given,μ = 196σ = 22n = 60

Q: The speed limit on Interstate 81 in Susquehanna County is 70 miles per hour (mph).  On a clear day…

A: The speed limit on Interstate 81 in Susquehanna County is 70 miles per hour (mph) The mean speed of…

Q: Click the icon to view the standard normal distribution table. a) The probability that a score is…

A: It is given that  Mean, μ = 202 Standard deviation, σ = 19 Z-Score, Z = ( X - μ )/σ   Note(1).…

Q: The annual rainfall in a large metropolitan area is approximately normal with a mean of 42 inches…

A: Let us assume that X=The annual rainfall in a large metropolitan area  Given that X follows a normal…

Q: At Jen and Perry Ice Cream Company, a machine fills cartons of Top Flavour ice cream.  The amount is…

A: Obtain the standard z-score for the random variable X equals 17.76 ounces. The standard z-score for…

Q: The speed limit on Interstate 81 in Susquehanna County is 70 miles per hour (mph). On a clear day…

A: Solution-: Given: μ=77.9mph,σ=8.2mph We find, P(a randomly selected car is going over 85 mph)=?

Q: Traveling between University of Santo Tomas and Rizal Park, Manila via shuttle bus takes, on…

A: Given that, μ=28,σ=5 and n=40 The mean and standard deviation of the sample mean is,

Q: Traveling between University of Santo Tomas and Rizal Park, Manila via shuttle bus takes, on…

A: Solution: Let X be the transport time. From the given information, X has mean µ=28 minutes and a…

Q: What is the probability that 32 cans of Diet Pepsi will contain, on average, more than 12.18 ounces…

A:

Q: The time until recharge for a battery in a smartphone is normally distributed with a mean of 250…

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

Q: Recent report in Times showed a typical family of four spends $490 per month on food with a mean of…

A:

Q: The number of pizzas consumed per month by university students is normally distributed with a mean…

A: Let "X" be the number of pizzas per month by university students. Draw the normal curve and shade…

Q: The amount of weight on an ACME tractor trailer is known to have a normal distribution with mean 9.5…

A:

Q: Suppose that heights of 10-year-old boys in the US vary according to a normal distribution with mean…

A: The objective of this question is to find the probability that the height of a randomly selected…

Q: d) Theth percentile corresponds to this score, which means that 299 is (Round to five decimal places…

A: Now finding the answer for (d) Given that the best score is 299 now we have to find percentile…

Q: Traveling between University of Santo Tomas and Rizal Park, Manila via shuttle bus takes, on…

A: Let us denote: X=time to travel between University of Santo Tomas and Rizal ParkGiven that X follows…

Q: Bags of a certain kind of chips contain a mean of 4 ounces with a standard deviation of 0.17 ounces.…

A: Given information: μ=4σ=0.17 a) The probability that a randomly selected a bag of chips has less…