The data that follow are the number of passengers on 31 different charter fishing boats. The samplemean is 8.7 passengers and the sample standard deviation is 4.6 passengers. The data follow auniform distribution where all values between and including 0 and 16 are equally likely. Calculatethe theoretical mean and standard deviation assuming that the number of passengers is uniformlydistributed. Round your answers to one decimal place as needed.134910 15 41188a. What is the mean?1313 413109915411 1210b. What is the standard deviation?210900 1512(assume that the distribution is uniformly distributed)1016How does this compare to the mean of the data at 8.7 passengers? Select an answerHow does this compare to 4.6 passengers? Select an answer(assume that the distribution is uniformly distributed)

A random variable XU(0,16)f(x)=sample mean=8.7Sample standard deviation=4.6

Answered: The data that follow are the number of…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Using your calculator, find the range and standard deviation, round to two decimals places:The table below gives the number of hours spent watching TV last week by a sample of 24 children. 71 23 53 59 75 72 34 26 52 78 38 50 65 83 54 87 60 84 23 83 90 28 94 10 Range = Standard Deviation =
This data is from a sample. Calculate the mean, standard deviation, and variance.
A student scores 74 on a geography test and 264 on a mathematics test. The geography test has a mean of 80 and a standard deviation of 5. The mathematics test has a mean of 300 and a standard deviation of 24. If the data for both tests are normally distributed, on which test did the student score better relative to the other students in each class? OA. The student scored better on the mathematics test. OB. The student scored better on the geography test. OC. The student scored the same on both tests.
An additional data value is added to a dataset. The new value is far below the rest of the data. The standard deviation will decrease when this new value is added into the dataset. True False Suppose a certain drug causes kidney problems in 10% of patients, and this drug is to be tested on 55 patients. Find the standard deviation for the number of patients who will experience kidney problems. 2.2249 5.5 5.0 2.345
Refer to the data set in the accompanying table. Assume that the paired sample data is a simple random sample and the differences have a distribution that is approximately normal. Use a significance level of 0.05 to test for a difference between the weights of discarded paper (in pounds) and weights of discarded plastic (in pounds). E Click the icon to view the data. In this example, Hg is the mean value of the differences d for the population of all pairs of data, where each individual difference d is defined as the weight of discarded paper minus the weight of discarded plastic for a household. What are the null and alternative hypotheses for the hypothesis test? O A. Ho: Ha = 0 H,: Ha #0 O B. Ho: Ha #0 H1: Hd =0 O C. Ho: Ha #0 O D. Ho: Ha = 0 H1: Hd 0
The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range, mean, variance, and standard deviation of the sample data set. 12, 21, 23, 15, 20, 18, 21, 16, 15, 16 The range is 11. (Simplify your answer.) The mean is 17.7. (Simplify your answer. Round to the nearest tenth as needed.) The variance is 12.0. (Simplify your answer. Round to the nearest tenth as needed.) The standard deviation is (Simplify your answer. Round to the nearest tenth as needed.)
Please answer B, C, & D.
Consider the given data set. n = 12 measurements: 9, 8, 1, 5, 5, 7, 5, 6, 8, 7, 2, 0 Find the mean. USE SALT Find the standard deviation. (Round your answer to four decimal places.) z = Find the z-score corresponding to the minimum in the data set. (Round your answer to two decimal places.) Find the z-score corresponding to the maximum in the data set. (Round your answer to two decimal places.) z = Do the z-scores indicate that there are possible outliers in the data set? Since the z-score for the larger observation is larger than 2 in absolute value, the larger value is unusually large. Since both z-scores exceed 2 in absolute value, both of the observations are unusual. Since neither z-score exceeds 2 in absolute value, none of the observations are unusually small or large. Since the z-score for the smaller observation is larger than 2 in absolute value, the smaller value is unusually small.
The race speeds (in minutes) for the top eight cars in a 200-mile race are listed below. Use the range rule of thumb to estimate the standard deviation. Round results to the nearest tenth.181.0 180.6 189.2 182.2 175.6 180.0 177.9 181.8 Question content area bottomPart 1A.6.8 minutesB.7.5 minutesC.3.4 minutesD.1.1 minutes
For an Economics test the mean score is 100 and the standard deviation is 10, and for an Accounting test the mean score is 50 and the standard deviation is 4. You are given the test scores of a student who took both tests. Determine on which test the student had a better score. Enter E if the student did better on the Economics test Enter A if the student did better on the Accounting test Enter S if the student did relatively the same on both tests. A student scores 125.6 on the Economics test and 60.2 on the Accounting test. The student did better/same on test.
The frequency distribution was obtained using a class width of 0.5 for data on cigarette tax rates. Use the frequency distribution to approximate the population mean and population standard deviation. Compare these results to the actual mean u = $1.506 and standard deviation o = $1.004. Click the icon to view the frequency distribution for the tax rates. Frequency distribution of cigarette tax rates Tax Rate Frequency 0.00–0.49 7 0.50-0.99 14 1.00–1.49 7 1.50–1.99 2.00–2.49 5 2.50–2.99 5 3.00–3.49 3.50–3.99 1 4.00-4.49 1
Using your calculator, find the range and standard deviation, round to two decimals places:The table below gives the number of hours spent watching TV last week by a sample of 24 children. 90 50 46 31 52 83 51 90 72 47 25 57 53 62 65 89 35 49 32 21 77 30 91 13 Range = Standard Deviation =

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