Mean 65.3 and Standard Deviation %D 30.1 %3D a. The range within One Standard Deviation is

Q: Studies on a machine indicate that the process standard deviation is 0.05 inches. It has a…

A: Given information- Standard deviation = 0.05 inches Upper specification limit (USL) = 1 + 0.15 =…

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: X is a normally distributed variable with a mean of 96 and a standard deviation of 10. Find the…

A:

Q: Round each z-score to the nearest hundredth. A data set has a mean of x = 218 and a standard…

A: Given , x = 218    , σ = 40 We know , z-score = x-xσ

Q: On an exam with a mean = 70, you have a score of X = 65.  Which of the following values for the…

A: Given Information Mean µ = 70 X = 65 Higher the value of z, Higher will be the position

Q: Assume that trees are subjected to different levels of carbon dioxide atmosphere with 4% of the…

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Q: Find the standard deviation (rounded to the nearest unit) for the data indicated

A: We have to find the standard deviation based on the given frequency distribution.

Q: if you score an 85, what percentage of the population below you? a group of students take a…

A: Obtain the percentage of the population lies below, if obtained score is of 85.

Q: Which of the values below is closest to the standard deviation of the 100 values? (A) 0.008 (B) 0.01…

A: From the provided plot of histogram we have the range of the data as, Range = 1.40 – 0.92 = 0.48

Q: (d) Give E(X). Answer= (e) Give E(Y). Answer= (f) Give E(X| Y = 3). Answer- (g) Give the standard…

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Q: Find the standard deviation for the group of data items. Stems Leaves 8 1 58 2 58 The standard…

A: Given data : From the above stems and leaves data 8,15, 18, 25, 28 x¯ = ∑xin x¯ = 8+15+18+25+285 x¯…

Q: ble and highest possibel marks assuming normal distributiion .

A: P(X<5)=Pz<5-589=0

Q: For the given values ​​, calculate the standard deviation .

A: Given Data : For calculating the standard deviation, below table will be used    YY Y2Y^2 1 5…

Q: Find the standard deviation (rounded to the nearest unit) for the data indicated. Test Score…

A:

Q: The standard deviation of a 1200 volume population is 90cm. Find out how many units the sample…

A:

Q: The mean number of birth of babies over a 5 month period in Ibri is 111 and the coefficient of…

A: Measure of central tendency measure the central or average value of a dataset. Measured of…

Q: The measure of dispersion which shows the variation about the me O a. Standard deviation O b.…

A: The coefficient of variation (CV) is a statistical measure of the dispersion of data points in a…

Q: Let X denote the annual salary of university professors in the United States, measured in thousands…

A: From the given information, Consider, X denotes the annual salary of university professors in the…

Q: The body temperatures of adults are normally distributed with a mean of 98.6° F and a standard…

A: Hey, since there are multiple questions posted, we will answer the first question. If you want any…

Q: The monthly incomes of 16 students were analyzed and their average was 1000 TL and the standard…

A: Given data,μ=1000σ=200n=16z=2.7x=?

Q: 4. First find the difference between the measured value and the mean, then divide that difference by…

A: Given, z-score = 0.875 standard deviation = 0.0008

Q: Round each z-score to the nearest hundredth. A data set has a mean of x = 211 and a standard…

A:

Q: uted with a mear ndard deviation of 10 centile of the item p a. -0.13 а. b. 0.13

A: Given Data Population Mean,μ = 42.0 Population Standard Deviation,σ = 10.0

Q: Round each z-score to the nearest hundredth. A data set has a mean of  x = 6.8  and a standard…

A: (a) Obtain the Z-score for the random variable X value equals 6.2. The Z-score for the random…

Q: Find the standard deviation for the group of data items. Stems Leaves 3 4 16 16 The standard…

A:

Q: Round each z-score to the nearest hundredth. A data set has a mean of  x = 6.9  and a standard…

A: Given mean is μ=6.9 and σ=2.3We know that z=x-μσ

Q: On an exam with a mean = 70, you have a score of X =75.  Which of the following values for the…

A: Given that, On an exam with a mean = 70, you have a score of X =75. Formula for z-score:…

Q: Give the range of mass in which 95% of the data falls. the standard deviation is 49.0 and the mean…

A: A range in which the value lies for the data is called as confidence interval . Here , 95% of…

Q: Mean typing speed is 90 wpm, with a standard deviation of 18 wpm. What typing speed separates the…

A: Let X be the random variable representing the typing speed. It is required to find the value of x…

Q: When the weight of a parcel of oranges was measured, it was seen that the average 200 grams and…

A: Given: Population mean (μ)=200 Population standard deviation (σ)=25 Let X be the weight of a parcel…

Q: The weight of Leonberger dogs is normally distributed with a mean weight of 139 lbs and a standard…

A: Here the weights of dogs are normally distributed with mean=139 and SD=22. We need to find the 85th…

Q: The heights of tomato plants are Normally distributed with a mean of 3.56 feet and a standard…

A: It is given that μ=3.56 and σ=0.25   Use standardization asz=x-μσ

Q: a normal population has a mean of 28 and a standard deviation of 5. what proportion of the…

A: It is given that mean and standard deviation are 28 and 5, respectively.

Q: Assume that the weight of 1-year-old girls in the USA is normally distributed with Mean = 9.5 kg,…

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

Q: Human body temperatures have a mean of 98.4ºF and a standard deviation of 0.5ºF. Convert the…

A:

Q: The standard deviation of a 1500 volume population is 54'cm. Find out how many units the sample…

A:

Q: The scores on a mathematics exam have a mean of 65 and a standard deviation of 7. Find the x-value…

A: From the given information,   Mean = 65 Standard deviation = 7   And, z =-2.575

Q: Assume that the readings on the thermometers are normally idstributed with a mean of 0" and a…

A: Normal distribution is a continuous distribution which has many real life applications. Normal curve…

Q: A test has a mean score of 150 with a standard deviation of 12. Scores are normally distributed.…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

Q: Round each z-score to the nearest hundredth. A data set has a mean of  x = 6.8  and a standard…

A: Given that,  x¯=6.8 Sample standard deviation, s=1.6 .

Q: Given that the mean weight of senior high school students is 65kg with a standard deviation of 10kg.…

A:

Q: Find the standard deviation (rounded to the nearest unit) for the data indicated. Test Score…

A: Given Information:

Q: Round each z-score to the nearest hundredth. A data set has a mean of x = 4074 and a standard…

A: As per Bartleby guideline for more than one question asked only first is to be answered  and please…

Q: Approximately, what percent of the students scored within A.0 1 standard deviation of the mean? B 1…

A: Since you posted a question with multiple subparts, we will solve first three subparts for you. To…

Q: Find the area, square unit, to the nearest thousandth of the standard deviation between the given…

A:

Q: The quantitative subtest of the Graduate Record Exam (GRE) has a mean of 500 and a standard…

A:

Q: The distribution of weights for 12-month-old baby boys in the US is approximately normal with mean u…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: if you score a 96, what percentage of the population scored above you? a group of students take a…

A:

Q: The human population has a mean IQ score of u = 100 and a standard deviation ofo = 15. Find the z-…

A: The formula of z score is:

Q: For a social club, the members had a mean age of 68 and a standard deviation of 10 years. What is…

A: We have given that  The member had a mean age of 68 years and standard deviation 10 years.