A citrus farmer who grows mandarin oranges finds that the diameters of mandarin oranges harvested on his farm follow a normal distribution with a mean diameter of 5.85 cm and a standard deviation of 0.24 cm. What is the probability that the mean diameter of mandarin oranges is greater than 6 cm? b. What is the probability that the mean diameter of mandarin oranges is less than 4.21 cm? What is the probability that the mean diameter of mandarin oranges is between 4.21 cm and 6 cm? d. Sketch a normal curve for each

Q: Find the probability that a randomly selected high school student who took the reading portion of…

A:

Q: The weight of arctic polar bears is normally distributed with a mean of 980 pounds and a standard…

A: we have given that, the weight of arctic polar is normally distributed with mean (mu)= 980, and…

Q: Moore Reno, an officer in the highway patrol group, observed that the speeds of vehicles on a…

A:

Q: The average number of acres burned by forest and range fires in a large New Mexico county is 4,300…

A:

Q: Traveling between two campuses of a university in a city via shuttle bus takes, on average, 31…

A: The given data are: Mean, μ=31 minutes Standard deviation, σ=5 minutes n=40 For sample average, z is…

Q: Assuming weights of female athletes are normally distributed with a mean of 140 lbs and a standard…

A: Let, X: The weights of female athletes. Given: Mean = μ = 140 lbs Standard deviation = σ =15 lbs We…

Q: At a local restaurant, the amount of time that customers have to wait for their food is normally…

A: The mean is 24 and the standard deviation is 3.

Q: A student finds that the average price of a movie ticket in Washington is $12.25 and that the…

A: From the provided information, Mean (µ) = $12.25 Standard deviation (σ) = $2 Let X be a random…

Q: A quality control company was hired to study the length of meter sticks produced by a certain…

A: Let we define X be the length of meter sticks produced by a certain company. The distribution of X…

Q: A species of extra-terrestrial has a mean height of 23 cm and a standard deviation of 3.6 cm. What…

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

Q: The total energy needed during pregnancy is normally distributed, with a mean of 2600 kcal/day and a…

A: It is given that the mean is 2,600, the standard deviation is 50 and the sample size is 25.

Q: The reading speed of second grade students is approximately normal, with a mean 83 WPM and a…

A: Given,   Mean = 83 Standard deviation = 11

Q: The starting salary for a computer programmer major has a mean of $39,269 and a standard deviation…

A: Note: Hey there! Thank you for the question. Although the mean and standard deviation of the…

Q: Traveling between two campuses of a university in a city via shuttle bus takes, on average, 28…

A: P(X<30)=Pz<30-28540=P(z<2.53)=0.9943

Q: A study found that the heights of college males follow a normal distribution with a mean of 70…

A:

Q: Moore Reno, an officer in the highway patrol group, observed that the speeds of vehicles on a…

A:

Q: The average number of milligrams (mg) of cholesterol in a cup of certain brand of ice cream is 660…

A: Step 1: Given: X~N(μ,σ)μ=660σ=35x=670

Q: In​ 2008, the per capita consumption of soft drinks in Country A was reported to be 19.11 gallons.…

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

Q: According to a Sallie Mae survey and credit bureau data, in 2008, college students carried an…

A:

Q: The weights of the cereal in boxes of Kooky Krunch cereal are normally distributed, with a mean of…

A:

Q: A quality control company was hired to study the length of meter sticks produced by a certain…

A: As per our guidelines we can solve first three subpart and rest can be reposted. Solution-: Given:…

Q: The heights of North American women are normally distributed with a mean of 64 inches and a standard…

A: Given data The heights of north American women are normally distributed with mean of 64 inches and a…

Q: The weights of ice cream cartons are normally distributed with a mean weight of 10 ounces and a…

A:

Q: A jar of peanut butter is normally distributed with a mean of 16 oz and a standard deviation of 0.02…

A: Given information- Population mean, µ = 16 oz Population standard deviation, σ = 0.02 oz Let, x be…

Q: An online food delivery service in metro manila has a mean delivery time of 30 minutes with a…

A: Let X denote the delivery time. Given that X follows N(mean = 30, SD = 5), then Z = (X - mean)/SD…

Q: At a customer service call center for a large company, the number of calls received per hour is…

A:

Q: The on-campus housing costs for a semester at a state university are Normally distributed with a…

A: a)If X~Nμ,σ2, then the mean, x~Nμ,σn                     where n is the sample size, n=50 Here, it…

Q: A 120-watt fluorescent light has an average brightness of 1986 lumens, with a standard deviation of…

A: Given that,  μ=1986,σ=94 The probability that a 120-watt fluorescent light will have a brightness…

Q: Suppose the area that can be painted using a single can of spray paint is slightly variable and…

A: It is given that the area that can be painted using a single can of spray paint has a normal…

Q: The diameter of a brand of tennis balls is approximately normally distributed with a mean of 2.5…

A:

Q: Based on tests of the Chevrolet Cobalt, the miles per gallon in highway driving are normally…

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 miles-per-gallon obtained by the 1995 model Z cars is normally distributed with a mean of 22…

A:

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: A manager of a popular retail store knows that the distribution of purchase amounts by its customers…

A: GivenMean(μ)=28standard deviation(σ)=9

Q: The reading speed of sixth-grade students is approximately normal, with a mean speed of 125 words…

A: Given mean speed of 125 words per minute and a standard deviation of 24

Q: The time needed to complete a final examination in a particular college course is normally…

A: Let X be the random variable from normal distribution with mean (μ) = 160 minutes standard deviation…

Q: Rob Raydo, a data analyst in a certain bank, found that the mean amount of credit card debt per…

A: Solution: Note: Hello! As you have posted 2 different questions, we are answering the first question…

Q: The heights of 18 year-old men are approximately normally distributed, with a mean 68 inches and a…

A:

Q: Statisticians determined that the mortgages of homeowners in a city is normally distributed with a…

A: Given distribution is normally distributed. Mean=250000 Standard deviation=50000 X~N(μ=250000,…

Q: Which most closely reflects the probability that a randomly selected bulb would last fewer than 940…

A: Let X denote the life of bulb. Given that X follows N(mean = 1000, SD = 50), then Z = (X - mean)/SD…

Q: The number of plants pollinated by bees follows a normal distribution with a mean of 6,543 plants…

A: Given information Mean µ = 6543 plants Standard Deviation σ = 35 plants

Q: In one region, the September energy consumption levels for single-family homes are found to be…

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

Q: A manufacturing company measures the weight of boxes before shipping them to the customers. If the…

A: Given, µ=90 σ=24 n=36

Q: The number of cell phone minutes used by staff of DIT at Bowie State University follows a normal…

A: We have, X= The number of cell phone minutes used by staff of DIT at Bowie State university. Mean=…

Q: Oranges chosen at random have a mean mass of 210 grams and standard deviation of 35 grams. Assuming…

A: We have to find  probability  for given data

Q: A courier services company has found that the delivery time for packages is normally distributed,…

A: Given : μ = 14 σ = 2 P(12≤X≤15) = P(X≤15) - P(X≤12)  P(12≤X≤15) = PX-μσ≤15-μσ - PX-μσ≤12-μσ…

Q: In one region, the September energy consumption levels for single -family homes are found to be…

A: It is given that the September energy consumption levels follows normal distribution with mean 1050…

Q: In a particular country, the height measurements of ten-year-old children are approximately normally…

A:

Q: The diameter of a brand of tennis balls is approximately normally distributed with a mean of 2.5…

A: Given that, Mean = 2.5 Standard deviation = 0.5 Sample size = 50

Q: Suppose the area that can be painted using a single can of spray paint is slightly variable and…

A: It is given that the area that can be painted using a single can of spray paint has a normal…

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.