Q4: The diameter of a shaft in an optical storage drive is normally distributed with mean 0.2408 inch and standard deviation 0.0005 inch. The specifications on the shaft are 0.2400 ± 0.001 inch. a) What proportion of shafts conforms to specifications? b) If the process is centered so that the process mean is equal to the target value of 0.2400, then to specifications now? what proportion of shafts conforms

Q: 45. What is the length of the confidence interval given the following data: o = 0.5, n = 70,…

A: 45)Givenσ=0.5n=70confidence level = 95%

Q: In some population the interquartile range of the values of income (x) represents 41,9% of its…

A: Formula Used: Median = L+n2-CFf×h Quartile deviation Q = Q3-Q12 First quartile Q1 = L + n4-CFf×h…

Q: 2. Since the mean is computed from individual observed values, each of which contains an error, the…

A: Formula is given below.

Q: 1. Assume that women's heights are normally distributed with a mean of 63.6 inches (5'3.6") and a…

A: From the provided information, Mean (µ) = 63.6 Standard deviation (σ) = 2.5 X~N (63.6, 2.5)

Q: Estimate the missing data for the station x according to the following information using normal…

A:

Q: A suwey paoject was Undertaken by the sludents of MSC - Statistics in Small village Rnjab havèng…

A: The given details: Expenditure on milk: 60, 85, 80,106, 60, 84, 45, 106, 75, 102, 75, 60, 60, 108,…

Q: What proportion of the population would be expected to have a petal length (a) greater than 4.5 cm?…

A: Let , X→N(μ=3.5 , σ=0.5) Our aim is to find the following :  a) The proportion would be expected to…

Q: Which of the following is NOT necessary to determine how large a sample to select from a population?

A: question:

Q: To compare the effectiveness of competing fertilizers on increasing radish size, researchers…

A: Use the given data to form the excel table: Radish Fertiliser A x-μ x-μ2 1 1.4…

Q: Assume that the duration of human pregnancies can be described by a normal model with mean 269 days…

A:

Q: ← Suppose the birth weights of full-term babies are normally distributed with mean 3550 grams and…

A: Given that Mean of the birth weighed 3550 grams Standard deviation = 485 grams

Q: What should this income cutoff be to make sure that not more than 5 percent of the population…

A: Let X be the random variable that has monthly income. Given that, X~N(μ=$4000, σ=$1000)

Q: A researcher asked 35 participants (N = 35) to rate their level of life satisfaction on a 7-point…

A: Given that :- A researcher asked 35 participants (N = 35) to rate their level of life satisfaction…

Q: 450=0.310282 4s=0.322561 You are given the following values from a life insurance table: A52 =…

A: A50=0.310282A51=0.322561A52=0.335180q51=0.005279

Q: a) Find the first quartile, Q1. b) Find the third quartile, Q3. c) Find the interquartile range.

A:

Q: pressive strength of concrete is normally distributed with mean 140 psi and variance 106 psi. A…

A: The standard error can be calculated as: SE=σn Here, σ = Standard deviation n = Sample size The…

Q: The compressive strength of concrete is normally distributed with u = 2507 psi and o = 51 psi. A…

A: Given that, compressive strength of concrete, X~N(2507,51) Where sample size is n= 4

Q: 5o) The diameter of a circle is measured to be 5 inches, with a circumference = 16 inches. What is…

A:

Q: To determine if their 14 oz filling machine is properly adjusted, Harvey Soft Drinks has decided to…

A: The data values are:Periodobs1obs2obs3obs4obs5Sample meanSample…

Q: A study has been conducted to compare people of different backgrounds (Australians, Europeans,…

A: The level of measurement is interval, if the difference between two values has a meaning, but the…

Q: a) If x=45 , x=50, Z=0.20 , find the standard deviation (s). b): Find the area under the normal…

A:

Q: Q3. Calculate Estimated Standard error (S»)from the following data:_ 3 4 5 2 y 3 4 5

A: Regression:   Regression is a technique that is used to determine relationship between two or more…

Q: Out of a sample of 100 juice bottles, 95 bottles contain between 1,476 and 1,524 mililiters of…

A: Given : n = 100 juice botteles and we have given out of a 100 juice bottles, 95 bottles contain…

Q: Given that s.e.(b) = 61 and the estimate is 32, what is the t-stat?

A: GivenSEβ=61Estimate(β)=32

Q: The coefficient of variation (CV%) is a normalized measure of the dispersion of a distribution. It…

A: given data  ∑x = 61.2∑x2 = 444.6n = 16cv% = ?

Q: State whether the quantity we can obtain/calculate from the given information is a statistic or…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: Solve the given problem, Find  z, z value (area), graph the normal curve and the n. The mean inside…

A:

Q: The diameter X in inches of a certain brand of tennis balls has normal distribution with mean μ =…

A: Given:  X ~ N(μ = 2.65,  σ 2= .0182)   Part a: Since acceptable balls have diameters between 2.62…

Q: Given population parameters for two populations, population 1 has a mean of 500 and a standard…

A: Given Information: Population 1: Mean μ= 500 Standard deviation σ= 50 Population 2: Mean μ= 21,000…

Q: Calculate Estimated Standard error (SE)from the following data: 3 4 5 2 1 y 3 4 5 6. 2.

A:

Q: a) µ= b) σ-

A: P65 = 14 P40= 5 z-critical value at alpha (0.65) = 0.3853 z-critical value at alpha (0.40)  =-0.2534…

Q: suming the uniform distribution of de Try Jxy = 0.049. culate qa. 0.039

A: *Answer:

Q: Ple=Z sl.04)=0.8334

A: GivenP(c≤z≤1.04)=0.8234

Q: 10. a.) Find the z-value such that 80 percent of the area under the standard normal curve lies…

A:

Q: The annual rainfall in a certain region is approximately normally distributed with mean 40.6 inches…

A: Given that  Mean=40.6 , Standard deviation=6.1 X~Normal(mean=40.6,Standard deviation=6.1)