Standard deviation: S = Round to two decimal places n - 1

Q: A population of scores has μ = 44. In this population, a score of X = 40 corresponds to z = −1.00.…

A: Where,

Q: A given distribution has a population mean, μ, of 108 and a population standard deviation, σ, of 14.…

A: To Determine: A given distribution has a population mean, μ, of 108 and a population standard…

Q: Birth weights are normally distributed with a mean of 3152.0 g and a standard deviation of 693.4 g.…

A: a)In this case we need to find the values of mean and standard deviation after converting all the…

Q: gets more than 38 mpg on ng. Use the traditional meth n standard deviation of 4.56 [three decimal…

A: Given data : Claim : The Civic Hybrid gets more than 38 mpg on the highway. sample size, n =…

Q: nd mean and standard deviation if n and p are 10 and 0.2 respectively.

A:

Q: (b) Calculate the mean of y. Calculate the standard deviation of y. (Round the answers to three…

A: Given Information: x denotes the number of cars and y denotes the number of buses. The probability…

Q: Porter is waiting for a trolley. If X is the amount of time before the next trolley arrives, and X…

A: Consider X be a random variable which follows uniform distribution indicates the amount of time…

Q: A Population has a mean mu equals 50 amd a Standard Deviation of 20 A) Would a score X= 70 be…

A:

Q: da standard deviation of 47. Find the

A: Given : = 211 s = 47 Formula :

Q: A given distribution has a population mean, μ, of 107 and a population standard deviation, σ, of 12.…

A: Formula to find z score is as follows :  z = x - μσ Where , μ is population mean. σ is population…

Q: A distribution of values is normal with a mean of 188.4 and a standard deviation of 30. Find P^19…

A: GivenMean(μ)=188.4standard deviation(σ)=30

Q: The average yearly consumption of water per person in Lebanon is 150 liters with a standard…

A: GIven data,μ=150P(X>200)=0.2206σ=?

Q: A population of scores has μ = 80. In this population, a score of X= 92 corresponds to z = 5. what…

A: Given: μ = 80 z = 5 X= 92

Q: The standard deviation of the 2014 gross sales of all corporations is known to be $11.41 billion.…

A: Given ,            Standard diviation σ=$ 11.41 B           Sample standard diviation x= $ 2.68 B…

Q: A given distribution has a population mean, μ, of 146 and a population standard deviation, σ, of 12.…

A: Standard normal distribution: The standard normal distribution is a special case of normal…

Q: A given distribution has a population mean, μ, of 132 and a po

A: Given information: μ= 132   σ= 12 x=174

Q: Find the standard deviation of of the data set below.  Round your answer to 3 decimal places.…

A: From the provided information, The data set is as follow: 1, 4, 7, 3, 6

Q: The manager of a grocery store has selected a random sample of 100 customers. The average length of…

A: Given information: There are sample of 100 customers and the standard deviation of the checkout time…

Q: A given distribution has a population mean, μ, of 113 and a population standard deviation, σ, of 8.…

A:

Q: Suppose that the mean systolic blood pressure for women over age seventy is 134 mmHg (millimeters of…

A:

Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean…

A: Given: X follows normal distribution with μ=00C Standard Deviation σ=1.000C

Q: The heights of young women are approximately normal with a mean of 65 inches and a standard…

A:

Q: 1. Scores on a history test have an average of 80 with a standard deviation of 6. What is the…

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

Q: the heights of male adults are normally distributed with mean 1.7m and standards deviation 0.2m In a…

A: The normal distribution in the center are generally denser and basically less denser at tails. There…

Q: A given distribution has a population mean, μ, of 138 and a population standard deviation, σ, of 9.…

A: Solution Zscore= -1.11

Q: verage height of students in à freshman c ertain school has been 149.45 cm with a lation standard…

A:

Q: A test consists of 550 true or false questions. If the student guesses on each question, what is the…

A: Given that there are 550 true or false questions. That is, n=550 and the probability of getting…

Q: What is the standard deviation of variable X? Round to two decimals. 0 2 P(X=x) | 0.25 | 0.20 3 4 5…

A:

Q: standard deviation of 14. How many master chef students have scores above 100? * O 41 students O 76…

A:

Q: Assume X is normally distributed with a mean of 10 and a standard deviation of 2. Determine the…

A: For the solution follow the next step.

Q: A given distribution has a population mean, μ, of 149 and a population standard deviation, σ, of 14.…

A: Given : Mean (μ) = 149Standard deviation (σ) = 14

Q: A given distribution has a population mean, μ, of 131 and a population standard deviation, σ, of 6.…

A:

Q: A given distribution has a population mean, μ, of 140 and a population standard deviation, σ, of 12.…

A: We have given that,  X be the random variable from normal distribution with mean (μ) = 140, standard…

Q: The average resting heart rate of a population is 85 beats per minute, with a standard deviation of…

A: Solution Given: Formula: let "x" be the resting heart rate in bpm

Q: For earthquakes with a magnitude 7.5 or greater on the Richter scale, the time between successive…

A: Note- As per our policy we can answer only 1st question. If you want solutions for other, then you…

Q: A given distribution has a population mean, μ, of 142 and a population standard deviation, σ, of 13.…

A: Given, Mean μ = 142 standard deviation σ = 13 x = 101

Q: Suppose n> 1. Then the standard error of X-bar is the standard deviation of X. Choose the best…

A: Let the standard deviation be σ=8 and the sample size be n=4 (which is n>1).

Q: A population has mean u = 19 and standard deviation o =4. Round the answers to two decimal places as…

A: Given information- Population Mean µ = 19 Standard deviation (σ) = 4 Z-score = -2.3 We have to find…

Q: A given distribution has a population mean, 131 and a population standard deviation, o, of 12. What…

A: It is given that the mean is 131 and the standard deviation is 12.

Q: A test consists of 980 true or false questions. If the student guesses on each question, what is the…

A:

Q: A given distribution has a population mean, μ, of 122 and a population standard deviation, σ, of 12.…

A:

Q: Find the standard deviation for the group of data items. Stems Leaves 0 877858 3302 1 The standard…

A: The data items from the stem and leaves will be: 8, 7, 7, 8, 5, 8, 13, 13, 10, 12.   The mean of the…

Q: A given distribution has a population mean, μ, of 116 and a population standard deviation, σ, of 8.…

A:

Q: A given distribution has a population mean, μ, of 146 and a population standard deviation, σ, of 11.…

A:

Q: The daily price of orange juice 30-day futures is normally distributed. In March through April 2007,…

A: From the given information, let X be the daily price of orange. Here, X follows normally…

Q: A given distribution has a population mean, μ, of 130 and a population standard deviation, σ, of 15.…

A: z = (x - μ) / σ where z is the z-score, x is the value of the element, μ is the population mean, and…

Q: Use the formula to find the standard error of the distribution of differences in sample means, I¡ –…

A: The sample size for first population is 270, standard deviation is 18, and sample size for second…

Q: Compute ?, the standard deviation of the number of fish caught per fisherman in a 6-hour period…

A: We want to calculate standard deviation of the distribution

Q: a) The lifetime of a specific species of mammal is normally distributed with mean ?=21 years and…

A:

Q: 5. The temperature in a glass house is normally distributed with a mean of 30 °C and a standard…

A: Let, X = Temperature in a glass house X~Normal(μ=30, σ2=32)