The widths of platinum samples manufactured at a factory are normally distributed, with a mean of 1.4 cm and a standard deviation of 0.5 cm. Find the z-scores that correspond to each of the following widths. Round your answers to the nearest hundredth, if necessary. (а) 1.9 ст Z = (Б) 0.6 сm Z =

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: Given information Mean µ = 25 pounds Standard deviation σ = 3 pounds Z = -2

Q: Scores on a test have a mean of 66 and a standard deviation of 9. Michelle has a score of 57.…

A: The question is about z score Given : Popl. mean score ( μ ) = 66 Popl. std. deviation of score ( σ…

Q: The mean of a set of data is 108.06 and its standard deviation is 115.45. Find the z-score for a…

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

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A: Here the given table is : Age males females…

Q: Score 15- 12- 6. 0. 9. 8. 9. 10 11 12 Ico 6. 3. Frequenoy

A: Form the given graph we have to find the standard deviation

Q: Suppose that resting pulse rates of adult males are normally distributed with a mean of 72 beats per…

A: The following information has been provided: Let X be a random variable represents the resting pulse…

Q: The scores on a mathematics exam have a mean of 71and a standard deviation of 8. Find the x-value…

A: Let X denote the scores on a mathematics exam and it follows normal distribution with mean of…

Q: The average IQ in Sarah’s class is 105 with a standard deviation of 15. What is the z score of Sarah…

A:

Q: GET THE STANDARD DEVIATION

A: We have  intervals of age group as, .The sample mean for  age group. The total sample mean, =2.20.

Q: Human body temperature have a mean of 98.20F and a standard deviation of 0.62F. Sally's temperature…

A:

Q: The scores on a mathematics exam have a mean of 70 and a standard deviation of 7. Find the x-value…

A: given data μ = 70σ = 7Z = -1.28X = ?

Q: The marks of six students in a Mathematics test are produced : η-6, Σχ 279 and Σx= 13 093 %3D

A:

Q: her wishes to give A’s to the top 8% of the students and F’s to the bottom 8%. The next 10% will be…

A: given: mean(μ)=78 sd(σ)=8

Q: What is F, the daily average temperature in degrees Fahrenheit in Raleigh during this period? b)…

A:

Q: In a population of exam scores, a score of X = 88 corresponds to z = 2 and a score of X = 79…

A: From the provided information, A score of X = 88 corresponds to z = 2 A score of X = 79 corresponds…

Q: Scores on a test have a mean of 8181 and a standard deviation of 1313. Michael has a score of 9393.…

A:

Q: Write down the formulas for the standard deviation of x.

A: The formula for the sample standard deviation can be written as: Here, n is the sample size and x̅…

Q: Assume that thermometer readings are normally distributed with a mean of 0 degree celcius and a…

A: Consider X be a random variable which follows normal distribution indicates thermometer readings.…

Q: The grades on a geometry midterm at Oak have a mean of u = 74 and a standard deviation of o = 4.0.…

A: Given  mean (μ)=74 and x =70 standard deviation (σ)=4.0 Find the z-score ?

Q: acher wishes to give A’s to the top 8% of the students and F’s to the bottom 8%. The next 10% will…

A: Given that  A teacher wishes to give  A’s to the top 8%  of the students F’s to the bottom 8% of the…

Q: The scores on a driver's test are normally distributed with a mean of 100. Find the score that is 3…

A: From the provided information, Mean (µ) = 100 Standard deviation (σ) = 28 X~N (100, 28)

Q: You recorded the weekly distances you bicycled in miles and computed the standard deviation to be s…

A: Standard deviation(s)=2.3 miles

Q: 90 85 75 76 81 76 75 76 76 96 89 88 73 81 93 76 76 96 89 88 73 81 89 74 74 74 76 86 75 96 79 73 86…

A: x x2 90 8100 85 7225 75 5625 76 5776 81 6561 76 5776 75 5625 76 5776 76 5776 96…

Q: standard deviation

A: If the random variable X follows a distribution with mean = μ and standard deviation = σ Then the Z…

Q: c. Identify the mean and standard deviation of x. Choose the correct answer below. O A. µ and В. н…

A: If X be a random variable which follows normal distribution. Then mean and standard deviation of…

Q: THE FF. WERE THE RESULTS OF THE EXAMINATION CONDUCTED FOR GRADUATING STUDENTS. FIND THE STANDARD…

A: From the provided information, The frequency distribution table is as follow: Score interval f…

Q: Juan makes a measurement in a chemistry laboratory and records the result in his lab report. The…

A: The standard deviation of students lab measurements is 8. Juan repeats the measurement 2 times. That…

Q: The mean of a set of data is 4.68 and its standard deviation is 2.83. Find the z score for a value…

A: Reviewing information, Given, μ=mean=4.68σ=standard deviation=2.83x=9.38

Q: Ms. Gonzalez has recorded the test scores for each of her 25 students. She has calculated EX? 320…

A:

Q: A doctor in the oncology department of a hospital surveyed the breathing rate of cancer patients.…

A:

Q: Suppose that the mean and standard deviation for vertical jump scores are 40 and 6 cm respectively.…

A: According to the given information, we haveThe mean for vertical jump scores is 40 cm.The standard…