Thickness measurements of ancient prehistoric Native American pot shards discovered in a Hopi village are approximately normally distributed, with a mean of 5.3 millimeters (mm) and a standard deviation of 1.5 mm. For a randomly found shard, find the following probabilities. (Round your answers to four decimal places.) (a) the thickness is less than 3.0 mm (b) the thickness is more than 7.0 mm (c) the thickness is between 3.0 mm and 7.0 mm

Q: The mean number of customers arriving at a restaurant during a 15-minute period is 13. Find the…

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Q: ssume that the Richter scale magnitudes of earthquakes are normally distributed with a mean of 1.157…

A: Given that μ=1.157 & σ=0.532

Q: Use the body temperatures, in degrees Fahrenheit, listed in the accompanying table. The range of the…

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Q: The mean wingspan of a sample of 31 birds of a particular species is 30 inches.  The standard…

A: Sample size n =31 Sample mean=30 Population standard deviation =4

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A: Null hypothesis: Null hypothesis is the statement about parameter of population. Alternative…

Q: The average test score in a particular class is m=30. If you scored a 40 and the class (sample)…

A: Introduction: Denote the score of a randomly selected student in a class as X. It is given that the…

Q: Determine the null and alternative hypotheses. Choose the correct answer below. O A. Ho: u= 54.8…

A: As per our guidelines, we are allowed to answer up-to three sub-parts of any question. Here part(a)…

Q: Continuous distribution. Draw a bell shaped curve to show the x and z values and the probability…

A: The objective of this question is to find the probability that male students have a height between…

Q: Assume that adults have IQ scores that are normally distributed with μ=38 and a standard deviation…

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Q: Assume that adults have IQ scores that are normally distributed with μ=105 and a standard deviation…

A: Assume that adults have IQ scores that are normally distributed with μ=105 and a standard deviation…

Q: For a population that has a standard deviation of 10​, figure the standard deviation of the…

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Q: A normal distribution has a mean of mu = 80 with o = 20. What score separates the lowest 30% of the…

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Q: Suppose that the antenna lengths of woodlice are approximately normally distributed with a mean of…

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Q: The average cost of a luxury car on a large lot is $35501. Suppose that the distribution is normal…

A: It is given that the mean is $35,501 and the standard deviation is $5,200.

Q: sample has a mean M = 89. In the sample, a score of X = 6 corresponds to z = 2. What is the standard…

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Q: During rush hour, the traffic speed on a busy highway is found to have mean 42 mph and standard…

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Q: The mean length of a human pregnancy is 265​days, with a standard deviation of 9 days. Use the…

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Q: Refer to the accompanying table, which describes results from groups of 8 births from 8 different…

A: Solution-: Given probability distribution: Let, X=The number of girls among 8 children X P(X)…

Q: A company that makes cola drinks states that the mean caffeine content per 12-ounce bottle of cola…

A: Given Information: Hypothesized mean μ0=55 milligrams. Sample size (n) = 30 Sample mean (x¯) = 53.2…

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Q: The line width for semiconductor manufacturing is assumed to be normally distributed with a mean of…

A: Answer - ● C. NONE Explanation is given in the next step.

Q: Find the p-value. p= (Round to three decimal places as needed.)

A: The test statistic is, t=x¯-μsn=52.5-53.62.615=-1.6386≈-1.64 The test statistic is -1.6386. The…

Q: The mean diameter is 84 millimeters and the variance is 16. Find the probability that the diameter…

A: We have to find he probability that the diameter of a selected bearing is greater than 90…

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Q: d) Find the p- value . (Round to three or more decimal places.)     e) Can we conclude that the…

A: From the previous solution we have :The value of test statistic  is 9.563Degrees of freedom = 17

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Q: The lengths, in inches, of adult corn snakes have an unknown distribution with a population mean of…

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Q: A large group of students took a statistics test.               The mean score, from the scale of…

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Q: The average cost of a luxury car on a large lot is $55187. Suppose that the distribution is normal…

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Q: For a sample with a mean if M=63, a score of X=54 corresponds to Z= -0.75. what is the sample…

A: Given,Mean(M)=63a raw score(X)=54Z-score=-0.75

Q: Assume that a randomly selected subject is given a bone density test. Bone density test scores are…

A: Given that  Mean = M = 0 , Standard deviation = SD = 1 X ~ Normal (M = 0 , SD = 1)

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Q: eve the claim is incorrect and find andom sample of 5 cars has a mean gas mileage of 24 mpg and a…

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Q: teger so it is certainly not normal. a. Let X be the mean number of accidents per week at the…

A: It is given that Mean = 2.2Standard deviation = 1.4

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A: In a normal distribution, a data value located 1.4 standard deviations below the mean has Standard…

Q: The population of IQ scores forms a normal distribution with a mean of u=100 and a standard…

A: a)   It is given that the mean is 100, the standard deviation is 15 and the sample size is 9.

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A: Let X be the random variable from normal distribution with mean (μ) = 100 and standard deviation (σ)…

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A: Given In a normal distribution, a data value located 1.5 standard deviations below In a normal…

Q: The data set of size 40 has mean 15 and standard deviation 2. Approximately how many observations…

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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.