A shipment of eggs has a normal distribution with a mean height of 5.21cm and a standard deviation of 0.15 cm. Below what height will 84.1% of the eggs lie? cm Above what height will 50% of the eggs lie? cm

Q: The Weather Underground reported that the mean amount of summer rainfall for the northeastern US is…

A: Solution Here we will use one sample t test to test the mean amount of summer rainfall for the…

Q: The heights of adult men in America are normally distributed, with a mean of 69.2 inches and a…

A: We have given that  The heights of adult men in America are normally distributed, with a mean of…

Q: On the Gulf Freeway at 7:00 AM, the average travel time from Beltway 8 to Downtown is 29.5 minutes…

A: From the given information,   Mean = 29.5 Standard deviation = 11.2   The objective is to calculate…

Q: The mean annual automobile insurance premium is $950, with a standard deviation of $175. The data…

A:

Q: the average height of grade 10 students is 148 cm. a sample of 250 students had an average heigh of…

A: Given: μ=148Sample size, n=250sample mean, x¯=148.3sample sd, s=8

Q: A professor at a local university noted that the grades of her students were normally distributed…

A: Given  X~N(mu=76, sigma^2=10^2) Note: According to Bartleby an expert can solve only one question…

Q: he heights of adult men in America are normally distributed, with a mean of 69.2 inches and a…

A: Given data,For Menμ=69.2σ=2.63For Womenμ=64.5σ=2.51

Q: John beale of stanford, ca, recorded the speeds of car driving past his house, where the speed limit…

A: Standardized z-score:   The standardized z-score represents the number of standard deviations the…

Q: A distribution is given as X ~ U(0, 12). What is the theoretical standard deviation?

A: concepts and reasonuniform distribution is a continuous probability distribution.it is defined…

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

A: Given Data Population Mean,μ = 27.0 Population Standard Deviation,σ = 0.06

Q: A distance is measured as 27.3 inches and 15.6 inches with the standard deviation (error) of 0.16…

A: Given information- We have given the mean and the standard deviation. E(X) = 27.3 inches E(Y) = 15.6…

Q: The mean volume of a carton of milk filled by a machine is 1.0 quart, with a standard deviation of…

A:

Q: The height of adult men in the United States is normally distributed with a mean of 70 inches and a…

A: Z = -0.67 Mu = 70 S = 3

Q: The diameters of watermelons at a local supermarket are normally distributed with a mean of 10…

A: Let X denote diameters of watermelons at a local supermarket. Given that X follows Normal(mean = 10,…

Q: The scores from a state standardized test have a​ bell-shaped distribution with a mean of 100 and a…

A: By using empirical rule we know…

Q: A normal distribution has a mean of 60 and a standard deviation of 20. Barbara's score is 40. What…

A: It is given that the Normal distribution has a mean 60 and a standard deviation of 20.  Suppose X be…

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 data set with roughly a bell-shaped distribution has mean 45 and standard deviation 12.…

A: The percentage of the observations lie between 33 and 57 is obtained below:Let X be an observation…

Q: A certain machine makes electrical resistors having a mean resistance of 40 ohms and a standard…

A: Let X be the normal random variable representing the resistance of an electrical resistors, is…

Q: The mean length of a human pregnancy is 267 days, with a standard deviation of 12 days. Use the…

A: Given data,Mean μ=267sd σ=12P(243<X<291)=?

Q: A data set of home sales prices in an area has an average selling price of $350,000 with a standard…

A: The z score for x = 390000 is calculated as:

Q: A store sells meat in smallmedium and large size packages. The small packages have a mean weight of…

A: Here given that, Mean, mu= 1 And standard deviation, sigma= 0.1 Z score is given by, Z score=…

Q: The birth weights for twins are normally distributed with a mean of 2353 grams and a standard…

A: The formula to calculate the z score : For part (A), z score is, For part (B), z score is,

Q: A store sells meat in small, medium and large size packages . The small packages have a mean weight…

A: Given that small packages have a mean weight of 1 pound and a standard deviation of 0.1 pound. i.e.…

Q: The heights of adult men in America are normally distributed, with a mean of 69.5 inches and a…

A:

Q: The average grade for an exam is 74, and the standard deviation is 7. If 12% of the class is given…

A: Let the random variable X denote grade score. Then, X~Nμ, σ2 with μ=74 and σ=7. Let α be the lowest…

Q: The lengths of a large stock of titanium rods follow a normal distribution with a mean (u) of 440 mm…

A: Given that, The lengths of a large stock of titanium rods follow a normal distribution with a mean…

Q: The mean length of a human pregnancy is 265 days, with a standard deviation of 14 days. Use the…

A:

Q: The distribution of head circumference for full term newborn female infants is bell-shaped with a…

A: Answer -  Given a bell shaped distribution with mean  μ = 33.8 cm                  and a standard…

Q: The mean value of land and buildings per acre from a sample of farms is ​$1200​, with a standard…

A: Given that, the value of land and buildings per acre from a sample of farms have…

Q: The mean length of a human pregnancy is 269 days with a standard deviation of 13 davs Use the…

A: According to the provided information, 243 is one standard deviation below 269.295 is one standard…

Q: d) What percentage of women are TALLER than 71 inches (5 feet 11 inches)? Round to nearest tenth of…

A: The z-score corresponding to 71 inch tall American women is, Thus,  the percentage of women that…

Q: The heights of adult men in America are normally distributed, with a mean of 69.3 inches and a…

A:

Q: The heights of adult men in America are normally distributed, with a mean of 69.5 inches and a…

A:

Q: The heights of adult men in America are normally distributed, with a mean of 69.8 inches and a…

A: Solution: Note: Hello! As you have posted more than 3 sub parts, we are answering the first 3…

Q: A normal distribution has a mean of 148 and a standard deviation of 5. Find the z-score for a data…

A: Solution: Let X be the data value. From given information, X has mean µ=148 and a standard deviation…

Q: The mean June midday temperature in Desertville is 36°C and the standard deviation is 3°C. Assuming…

A: Determine the number of days in June would be expected the midday temperature to be between 39°C and…

Q: The heights of adult men in America are normally distributed, with a mean of 69.4 inches and a…

A: Disclaimer: Since you have posted a question with multiple subparts, we will solve first 3 subparts…

Q: The heights of adult men in America are normally distributed, with a mean of 69.8 inches and a…

A: As per policy I have solved first 3 sub parts Given For men Mean=69.8 Standard deviation=2.69 For…

Q: The average birth weight of elephants is 230 pounds. Assume that the distribution of birth weights…

A: Given,mean(μ)=230standard deviation(σ)=50

Q: On a standardized exam, the scores are normally distributed with a mean of 170 and a standard…

A: We have to find z score..

Q: A particular fruits weights are normally distributed, with a mean of 797 grams and a standard…

A: Let us assume X= weight of a particular fruit Given that X follows a normal distribution with mean=…

Q: The heights of adult men in America are normally distributed, with a mean of 69.3 inches and a…

A:

Q: A person in the U.S. eats about 25 pounds of M&M's per year with a standard deviation of 3 pounds.…

A: Solution: Given  μ= 25 Pounds  Population meanσ= 3 Pounds Population standard deviations Assumed…

Q: The mean score of a competency test is​ 82, with a standard deviation of 2. Between what two values…

A: Given that : Mean (u) = 82 S. D. (sgma ) = 2 Assume data set is nell shapped i.e  standard normal.

Q: John beale of stanford, ca, recorded the speeds of car driving past his house, where the speed limit…

A: Given: μ=23.84σ=3.56 a) The Z score is obtained as below: z=x-μσ=20-23.843.56=-3.843.56=-1.08 Thus,…

Q: m and 5.50 m. What is the standard deviation

A: Introduction: The Standard Deviation in descriptive statistics is the degree of dispersion or…

Q: The average grade for an exam is 74, and the standard deviation is 7. If 12% of the class is given…

A: Given: Average=74 Standard deviation=7 z value for 88th percentile z=1.18(consulting the table…

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 heights of 200 plants in a garden follow a normal distribution with mean of 72.3 cm with a…

A: Formula : Z =(X - μ)/σ