Male players at the high school, college, and professional ranks use a regulation basketball that weighs 22.0 ounces with a standard deviation of 1.2 ounces. Assume that the weights of basketballs are approximately normally distributed. If a basketball is randomly selected, what is the probability that it will weigh more than 24.7 ounces? EXPRESS YOUR ANSWER AS A DECIMAL AND ROUND TO THE NEAREST TENTH

Q: Americans spend an average of 5 hours per day online. If the standard deviation is 33 minutes, find…

A: Given,Mean, μ = 5 hours = 5×60 = 300 minutes.Standard deviation, σ = 33 minutes.We need to find the…

Q: The diameters of ball bearings are distributed normally. The mean diameter is 87 mm and the standard…

A:

Q: A population has mean 49 and standard deviation 5. What is the data value that has a z-score of 2?…

A:

Q: A researcher measures the amount of food consumed by each dog in her lab. She finds that the mean…

A: It is given that mean amount of food is 12 oz and number of dogs is 16. The sum of squared…

Q: A vending machine dispenses coffee into a twelve-ounce cup. The amount of coffee dispensed into the…

A: Vending machine dispenses coffee into a 12 ounce cupx=12standard deviation()=0.07

Q: A vending machine dispenses coffee into a sixteen-ounce cup. The amount of coffee dispensed into the…

A: From the provided information, Ounces of cup (x) = 16 Population standard deviation (σ) = 0.07

Q: According to National Testing data, college math class testing times are Normally distributed with a…

A: We have given that  X~N( μ , ?^2 )    μ = 46    , ? = 9

Q: Full time Ph.D. students receive an average of $13,537 per year. If the average salaries are…

A: Introduction: Define X as the random variable of interest here, which denotes the salary of the…

Q: The weights of steers in a herd are distributed normally. The standard deviation is 200lbs and the…

A: From the provided information,Mean (µ) = 1000Standard deviation (σ) = 200X~N (1000, 200)

Q: The mean height of Grade III pupils is 138 cm with a standard deviation of 8 cm. If a sample of 30…

A:

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 7.2…

A:

Q: Emily's chicken ranch has 9 hens.  The number of eggs that each has laid in the past week follows:…

A: Measure of central tendency measures the central or average value of a dataset. Measured of…

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: Approximately 6% of American drivers d not text while they drive. Suppose you are working with a…

A: The given situation fits binomial distribution as there are 300 independent trials (300 people),…

Q: Find the mean, variance and standard deviation. round all answers to on decimal place.

A: Solution: Suppose two dice rolled. Then, the sample space is Let X be the sum shown on the two…

Q: As a group, the Dutch are among the tallest people in the world. The average Dutch man is 184 cm…

A: given data normal distribution μ = 184σ = 8P(170<x<180) = ?

Q: Juan makes a measurement in a chemistry laboratory and records the result in his lab report. The…

A: The standard deviation of students lab measurements is 8. Juan repeats the measurement 2 times. That…

Q: ording to a study done by De Anza students, the height for Asian adult males is normally distributed…

A: GIVEN DATA, normal distribution μ=66σ=2.5X = height of the individual.p(64<X<69)=?

Q: A student takes a multiple-choice test that has 20 questions. Each question has five choices. The…

A: Binomial distribution:It is a discrete probability distribution in which each trials have exactly…

Q: The average teacher's salary in Connecticut (ranked first among states) is $57,337. Suppose that the…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Cody took his first physics exam and scored an 80. The population mean for this exam is 70, and the…

A: The population mean for the exam is 70 and standard deviation is 5 μ=70σ=5 Cody's exam score is 80

Q: Trucks in a delivery fleet travel a mean of 90 miles per day with a standard deviation of 23 miles…

A: Given that The mean of 90 miles per day with a standard deviation of 23 miles per day.

Q: Assume that adults have IQ scores that are normally distributed with a mean of u 105 and a standard…

A: Given that, Mean = 105 and Standard deviation = 15

Q: The average number of kilos of meat a person consumes in a year is 110 kilos. Assume that the…

A: 1)GivenMean(μ)=110standard deviation(σ)=12sample size(n)=45

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

A: Refer Standard normal table/Z-table to find the probability of z=2.67.

Q: Assume that the heights women are normally distributed with a mean of 63.6 inches and a standard…

A:

Q: The variance in a data set is 427. Find the standard deviation. Round to two decimals.

A: The random variable is X. It is given that the variance is 427. We have to find the standard…

Q: The distances golf balls travel under laboratory testing conditions are normally distributed. The…

A: Given,mean(μ)=312P(X>319)=0.28

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.