The number of people sick from imported meat products in a certain city was found to be normally distributed with mean and standard deviation: X≈N(U=190, σ =22). What is the probability that the number sick next month in that city would be between 175 and 194

Q: The absolute viscosity for sunflower oil is supposed to average 0.0311 Pa⋅s at 38 ∘C. Suppose a food…

A: Given information Sample mean x̅ = 0.0318 Population mean µ = 0.0311 Sample size = 4 Standard…

Q: According to a random sample taken at 12 A.M., body temperatures of healthy adults have a…

A: According to the Chebyshev's theorem, 1-(1/k²) of the observation fall within k standard deviation…

Q: According to a random sample taken at 12 A.M., body temperatures of healthy adults have a…

A: Chebyschev's Inequality  is used to find the probability of range of a random variable , when mean…

Q: Past experience indicates that the time required for high school seniors to complete a standardized…

A:

Q: In a random sample of 8 cell phones, the mean full retail price was $529.50 and the standard…

A: It is given that n=8, x=529.5, s=178 and μ=433.99. The degree of freedom=n-1=8-1=7

Q: Consider the continuous random variable X = the weight in pounds of a randomly selected newborn baby…

A: Introduction: The empirical rule for a normally distributed random variable is as follows:…

Q: For the same level of type I error, in order to decrease the probability of type II error we can,…

A:

Q: A random sample of 1000 oranges showed that the mean amount of juice per orange was 8.4 fluid…

A:

Q: Assume that females have pulse rates that are normally distributed with a mean of mu equals 74.0…

A: Given the pulse rates of females are normally distributed with mean 74 beats per minute and standard…

Q: The body temperatures of a group of healthy adults have a bell-shaped distribution with a mean of…

A: In the given problem, the population parameters of the body temperature of adults were given. The…

Q: The blood glucose levels of Wistar rats measured 2 hours after eating (postprandial Blood…

A: Given: μ = ​5.65 mmol/L σ = 1.63 mmol/L

Q: The body temperatures of a group of healthy adults have a bell-shaped distribution with a mean of…

A:

Q: If the probability of a defective bolt is 0.1, find (a) the mean, and (b) the standard deviation of…

A: here  p= probability of defective bolt = 0.1 q = 1-p = 0.9 n= 900 here use binomial theorem because…

Q: Assume that X is normally distributed with unknown mean μ and standard deviation equals. 0.15. Given…

A:

Q: A random sample of n = 4 scores is obtained from a population with a mean of µ = 80 and a standard…

A: Solution: From the given information, n=4, µ=80, σ=10 and M=90.

Q: Suppose that the length of a fish specimen is normally distributed with a mean of 10 inches and a…

A: Let, random variable X be the length of fish specimen.   The random variable X follows Normally…

Q: Using​ Chebyshev's theorem, what do we know about the percentage of healthy adults with body…

A: Given , Mean Value = 98.05 Standard deviation = 0.62   According to Chebyshev's Theorem for a bell…

Q: According to a random sample taken at 12 A.M., body temperatures of healthy adults have a…

A: μ = 98.28σ = 0.61

Q: In a sample of 14 randomly selected high school seniors, the mean score on a standardized test was…

A:

Q: The operator of a pumping station has observed that demand for water during early evening ours has…

A: The demand for water during early evening hours is exponentially distributed with mean 100 cfs

Q: A company sells sunscreen in 400 milliliter (ml) tubes. In fact, the amount of lotion in a tube…

A: From the provided information, Mean (µ) = 396 ml Standard deviation (σ) = 7ml Sample size (n) = 6…

Q: The mean weight of 500 male students in a certain college is 151 Ibs. and the standard deviation is…

A:

Q: According to a random sample taken at 12 A.M., body temperatures of healthy adults have a…

A: It is given that k=2.

Q: A homeowner estimates that within the range of likely temperatures his January heating bill, Y, in…

A: Given : Y = 290 - 5T Where T is a r.v with Mean (μT) = 24 S.D (σT) = 4

Q: A random sample of 1000 oranges showed that the mean amount of juice per orange was 7.4 fluid…

A: (a) Obtain the Z-score of an orange that produced 6.4 fluid ounces of juice. The Z-score of an…

Q: A college admissions officer indicates that the average GPA of incoming freshmen is normally…

A: Given that, mean =  = 3.30 standard deviation =  = 0.20

Q: The line width for semiconductor manufacturing is assumed to be normally distributed with a mean of…

A: Given Data Population Mean,μ = 0.45 Population Standard Deviation,σ = 0.05

Q: According to a random sample taken at 12​ A.M., body temperatures of healthy adults have a​…

A:

Q: If the variance of a continuous random variable X with pdf f(x) is noted as V(X), what is its…

A: Given: X had pdf f(x) and Variance of random variable X is - V(X)

Q: The mean weight of all Goliath grouper caught on the Treasure coast is 428 pounds, with a standard…

A: From the provided information, Mean (µ) = 428 Standard deviation (σ) = 59

Q: In a random sample of 7 cell​ phones, the mean full retail price was ​$539.80 and the standard…

A:

Q: Assume that females have pulse rates that are normally distributed with a mean of u=74.0 beats per…

A: Mean = 74.0 Standard deviation = 12.5 Sample size =

Q: normally distributed

A: Let X be the random variable representing the weight of students. Given that X is normally…

Q: Let X be a normally distributed variable with a mean of 22 (a) What is the z value associated with…

A: Given data,Mean μ=22sd     σ=4

Q: The body temperatures of a group of healthy adults have a bell-shaped distribution with a mean of…

A: From the provided information, Mean (µ) = 98.19 F Standard deviation (σ) = 0.65 F

Q: the distribution of certain test scores  is a nonstandard normal distribution with a mean of 80 and…

A: Given:Population mean (μ) = 80Population standard deviation (σ) = 3

Q: In a sample of 14 randomly selected high school seniors, the mean score on a standardized test was…

A: To test the hypothesis we will use t distribution

Q: In a random sample of 10 cell phones, the mean full retail price was $525.50 and the standard…

A: The t-test statistic for single mean is,t=x¯-μs2(n-1)where x¯=sample mean            μ=population…

Q: Suppose the lengths of loaves of rye bread produced at a bakery are normally distributed with a mean…

A: Given information: The mean is 25 and the standard deviation is 4. That is, μ=25σ=4 We need to find…

Q: The capacitance of a batch of capacitors has a normal distribution with a mean of 10 pF and a…

A: Solution:  Let X be the capacitance of a batch of capacitors has a normal distribution with a meanof…

Q: The body temperatures of a group of healthy adults have a bell-shaped distribution with a mean of…

A: Empirical rules:1) P(μ-σ<X<μ+σ)=68%2) P(μ-2σ<X<μ+2σ)=95%3)…

Q: A fast food restaurant estimates that the mean sodium content in one of its breakfast sandwiches is…

A:

Q: For the same random sample of adult women, with a sample mean height of x¯=64.3 inches and sample…

A: Empirical rule: The empirical rule is given as follows: About 68% of data values fall within one…

Q: The body temperatures of a group of healthy adults have a bell-shaped distribution with a mean of…

A: Given information: μ=98.39σ=0.56 Empirical Rule: 68% of values lies between one standard…

Q: In a random sample of 7 cell phones, the mean full retail price was $537.40 and the standard…

A: Consider that μ defines the population mean retail price.

Q: A 20,000-piece manufacturing run of 2200 resistors has a mean value of 2200 (naturally!) and a…

A: Given Information: Consider the given information:     Mean μ=2200Standard deviation σ=2.50

Q: In a sample of 13 randomly selected high school seniors, the mean score on a standardized test was…

A: It is a both tailed test.

Q: The drainage from a community during a storm is a normal random variable.  The estimated mean flow…

A: From the provided information, Mean (µ) = 1 Standard deviation (σ) = 0.8 X~N (1, 0.8) Here X be a…

Q: The inside diameter of a cylindrical tube is a random variable with a mean of 3 inches and a…

A: Random variables are of 2 types, discrete and continuous. A discrete random variable can only take…

Q: If the uric acid values in normal adult males are approximately normally distributed with a mean and…

A: