Given that it is normally distributed with a standard deviation of 8.025 cm. Find the range of the diameter that is two standard deviations from the mean. Hence, state the proportion of the tubes with the diameters in this range.

Q: f. What percent of patients have more than 80 distressing/scary thoughts a day? g. Are these data…

A: The data of 20 patients is given from which it is asked to compute the percentage of patients who…

Q: Solve the following: Graph and write all the necessary solution, then, box your final answer. (5…

A: μ=675 and σ=45 z-value for 700=700-μσ=700-67545=0.5556 z-value for 450=450-μσ=450-67545=-5

Q: 8) Find the value of x, when the z-score 3, mean = 60 and standard deviation = 12. %3D %3D %D

A:

Q: The air in the crown should be an average of 100 celcius for a ballon to be in a state of…

A: From the provided information, Sample size (n) = 53 Sample mean (x̅) = 97 degrees Population…

Q: A set of scores is displayed using a smooth curve , which scale of measurement was used to measure…

A: There is a set of scores is displayed using smooth curves.

Q: first four moments of distribution about the value 5 of the 10 and 15. Describe the nature of…

A:

Q: Assume that the readings on the thermometers are normally distributed with a mean of 0° and standard…

A:

Q: we have measured the variable "feelings towards same-sex marriage" with results of strongly support,…

A: We have given that  Measurement of variable feelings towards same-sex marriage" .

Q: f. A random sample of n=80 observations from a quantitative population produced X = 30.2 and s2 =…

A: Given X-bar=30.2 n=80

Q: If the mean deviation of the data S= .{22,b,37} is 10. Find the value of b

A: Given: MD=10. Now, by the formula of mean deviation:MD=∑|x-x|n where n is the number of observations

Q: Find the area of the shaded region. The graphs depict IQ scores of adults and those scores are…

A: Given that Mean  μ=100Standard deviation σ=15  Let x be the IQ scores of adults   .

Q: The mean square footage is x = 2,415 (Round to the nearest integer as needed.) The standard…

A:

Q: Assume that the readings on the thermometers are normally distributed with a mean of 0° and standard…

A: Given Information: Mean = 0 Standard deviation = 1.00 3.2% of the thermometers are rejected because…

Q: A quantity surveyor was asked to study the weight of beef in a particular company. He measured 10…

A:

Q: Assume the speed of vehicles along an open stretch of a certain highway in Texas that is not heavily…

A: It is given that mean is 71 and standard deviation is 3.125.

Q: The angle of friction of a soil has a mean value of 35° and a standard deviation of 5°. Determine…

A:

Q: 5. Which of the following statements is CORRECT about the shape of the normal curve? a. The shape of…

A: Given : Mean=45 Standard deviation =18

Q: Question Help ▼ Evidence against P.value P>0.10 0.05 <Ps0.10 0.01<Ps0 05 Ps0.01 For the given…

A: p-value is used in hypothesis testing to take decision whether to accept or reject null hypothesis.

Q: Assume that the readings on the thermometers are normally distributed with the mean of 0° and…

A: Given: See the hand written solution

Q: For Questions 13 and 14. The temperatures for a certain brand of crockpots are normally distributed…

A: (13)  Let X be the random variable from normal distribution with mean (μ) = 260 and standard…

Q: average heigth is 163 cm, standart deviation is 10 cm. compute p(X>168 cm) ?

A: Given,μ=163σ=10P(X&gt;168)=?

Q: o observe the distribution of continuous variable, which chart type we should choose?   Lütfen…

A: Given, The distribution of the data is continuous.

Q: Suppose that the scores on a statewide standardized test have a bell shape distribution with a mean…

A: Given that Mean = 79,s.d=6 (b) P(X&gt;97 )=? (c) P(X&lt;73) =? (d)P(61&lt;x&lt;85) =?

Q: 4. Shade the area of the curve that is within each boundary named. Within 1 standard deviation.…

A: The normal curves are given.

Q: The brain volumes (cm) of 20 brains have a mean of 1167.8 cm³ and a standard deviation of 128.7 cm³.…

A: Obtain the significantly low value and the significantly high value by using the range rule of…

Q: You have acquired property south of Winnipeg that fronts on the Red River, a river that has a…

A: Let a random variable X denotes the flood crest level. Then, X has normal distribution with mean μ=5…

Q: The mean of the frequency distribution is ☐ degrees. (Round to the nearest tenth as needed.) Which…

A: However, the question does not provide specific values for the computed mean or the actual mean, so…

Q: For each of the description below, write the statement of statistics or parameter value. i) A sample…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Assume that the readings on the thermometers are normally distributed with a mean of 0° and standard…

A: The mean and standard deviation is μ=0 and σ=1. The rejection will be 3.3% data from the left hand…

Q: Claim: The standard deviation of pulse rates of adult males is less than 10 bpm. For a random sample…

A: a.   Consider that σ is the population standard deviation of pulse rate. It is needed to test…

Q: A variable is normally distributed with mean 21 and standard deviation 3. Use your graphing…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: The brain volumes (cm) of 20 brains have a mean of 1162.9 cm° and a standard deviation of 125.2 cm°.…

A: According to the range rule of thumb, most values should lie within 2 standard deviations of the…

Q: Assume that the readings on the thermometers are normally distributed with a mean of 0° and standard…

A: Given data  normal distribution μ = 0σ = 1 so the distribution will be standard normal distribution.…

Q: The mean for statistics test scores is 61 and the standard deviation is 6.0. For the biology test…

A: Since the scores of the tests are on a different scale, they cannot be compared just on the basis of…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.