1. Suppose that a random variable X has a continuous uniform distribution 1 f(x) = {2' 4≤x≤6 0, otherwise a. Find the distribution of the sample mean of a random sample of size n =

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A: The data shows the waiting time for rides by loading and unloading riders more efficiently.

Q: (a)Consider a t distribution with 16 degrees of freedom. Compute  P(-1.91 < t < 1.91). Round your…

A: Given that  A) df = 16 , P(-1.91 &lt; t &lt; 1.91) = ?

Q: this os not right

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Q: You run a regression analysis and obtain the regression equation y=-3.176x +124.355 with a…

A: Given y=-3.176x+124.355 ,r=-0.748, x=150

Q: Suppose that on a particular multiple choice question, 96% of the students answered correctly. What…

A: Given information- We have given that on a particular multiple choice question 96% of the students…

Q: QUESTION 13 Suppose you are playing Poker alone. You have four cards (3 5♥, and 6). You are going to…

A: Suppose you are playing Poker alone. You have four cards (3, 5, and 6). You are going to select one…

Q: Salary of Full Professors The average salary of a male full professor at a public four-year…

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Q: thes the population mean, μ. F. The distribution of means will approximately follow the distribution…

A: It is given that the appropriate conditions for the Central limit theorem. Here, need to select the…

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Q: Below are four bivariate data sets and their scatter plots. (Note that all of the scatter plots are…

A: Method: Using the regression line to fine correlation coefficient r  and, -1 ≤ r ≤ 1

Q: e. Ninety-eight percent of the monthly intern pays are between what two values, symmetrically…

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Q: Consider the following discrete probability distribution. a. b. C. X P(x) 1 0.1 2 0.4 3 0.3 5 0.1 8…

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Q: Executives of a supermarket chain are interested in the amount of time that customers spend in the…

A: Standard deviations σ=27, level of significance ɑ=0.01, margin of error=6

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

Q: (d) Tomorrow, the same local weather report will be given. Estimate the probability that it will be…

A: The tables shows the results of 365 consecutive days and compares whether it rained or not to…

Q: Suppose Z follows the standard normal distribution. Use the calculator provided, or this table, to…

A: Given that  Z has standard normal distribution with mean zero and standard deviation one  P(Z &gt;…

Q: In the United States, the mean birth weight for boys is 3.41 kg, with a standard deviation of 0.55…

A: The given mean is 3.41, standard deviation is 0.55.

Q: This question confuses me. Kindly help explain with details please. I want to understand how the…

A: a) From the given graph, The function is, fx=x29 From the X-axis, the range for X is 0 to 3. Let us…

Q: Will all earthquakes above the 95th percentile cause indoor items to shake? O A. Yes, because…

A: The mean is 1.157 and the standard deviation is 0.532.

Q: (a) The following table lists the total water usage in South Africa in billions of liters per day.…

A: Data for water use according to years are given. Least square exponential equation=? Prediction of…

Q: a) What proportion of our sample will NOT be categorised as severely hypertensive? b) Suppose that…

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

Q: Salary of Full Professors The average salary of a male full professor at a public four-year…

A: given data  normal distribution male professor, μ = 99685σ = 5200normal distribution.70th percentile…

Q: Let X be the amount of time (in hours) the wait is to get a table at a restaurant. Suppose the cdf…

A: Given: C.D.F of X is:F(X)=0        x&lt;0x249    0≤x≤71         x&gt;7

Q: For a standard normal distribution, find: P(Z > c) = 0.6638 Find c rounded to two decimal places.

A: It is given that the Z be a standard normal random variable.

Q: Think about a density curve that consists of two line segments. The first goes from the point (0, 1)…

A: Two lines segments (0,1) to (0.7,1) (0.7,1) to (0.9,2) If we draw it , We will get between 0.7 and…

Q: Can you show how did summation of x^2  resulted to 19,916.

A: Here, we have the x values ( percentage containing ads ) are: 37,43,58,49,70,28,65,32

Q: The table below shows the estimated vaccination coverage of adolescents aged 13-17 years, as…

A: a. The table regarding the estimated vaccination coverage of adolescents aged 13-17 years for…

Q: How large a sample should be selected to provide a 95% confidence interval with a margin of error of…

A: Given  Margin of error=8, level of significance ɑ=0.05, standard deviations σ=10

Q: Ho: Ha: Test procedure: Decision Rule: Computed test statistic and p-value: Decision:…

A: Given that  Sample size n =16 Degree of freedom =df =n-1=15

Q: Suppose that the length X of the life (in years) of a battery for a computer has a distribution that…

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Q: The random variable x is the number of x | P(X=x) 0 1 2 3 4 5 6 7 3.5 Find the mean of the…

A: Data given Find  E(x)=mean

Q: 3.8 kg 2.6 kg 5.9 kg 7.2 kg 4.5 kg

A: Given that, μ=3.41 kgσ=0.55 kg Assume that baby was born today whose weight represents the 97.5th…

Q: Using the digits 2 through 9, find the number of different 3-digit numbers such that: Digits can be…

A: Given that Using the digits 2 through 9, find the number of different 3-digit numbers such that: a..…

Q: Find the margin of error for a poll, assuming that 95% confidence level and π = 0.3. n = 1,800…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: The road transport and safety agency set up a radar checkpoint and recorded the speed in kilometers…

A: Data given  40, 45, 45, 48, 50, 50, 51, 52, 52, 53, 55, 55, 55, 55, 56, 60, 60, 63, 63, 64, 64, 64,…

Q: An industrial sewing machine uses ball bearings that are targeted to have a diameter of 0.71 inch.…

A: To find: Of all the bearings, 91% of the diameters are greater than what value?

Q: 2. The lengths of two different types of snakes are being compared. A sample of 12 Type A snakes was…

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Q: A 56 square meter greenhouse can grow 824 seedlings.  What size greenhouse (in square meters) would…

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Q: 3 Z Jessica collected data on the number of pages in her mystery book collection. Below are…

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Q: (a) Construct a frequency distribution table. Take 23 as the lower limit of the first class and 7 as…

A: It is given that the data of the number of pizza orders received in 6 months from a sample of 30…

Q: The following contingency table contains a breakdown on rating of the favorite movie from a group of…

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Q: Let X be the amount of time (in hours) the wait is to get a table at a restaurant. Suppose the cdf…

A: Formula  For continuous distribution P(a≤x≤b)=F(b)-F(a)

Q: Let X be the amount of time (in hours) the wait is to get a table at a restaurant. Suppose the cdf…

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Q: go and a standard de K IQ scores are normally distributed with a mean are taken from a large…

A: Given that.   X~N( μ , ?)   μ=95     , ?=18

Q: The most famous geyser in the​ world, Old Faithful in Yellowstone National​ Park, has a mean time…

A: Given that.   X~N( μ , ?)   μ=85     , ?=21.25   Z-score =( x - μ )/?   NOTE:- According to bartleby…

Q: Use the calculator to solve the following problems. (a) Consider a t distribution with 11 degrees of…

A: Here, need to find out the probability value and critical value of t-distribution at different…

Q: re to search Based on a sample of n = 28, the least-squares method was used to develop the predic…

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Q: Help me find the answer to these questions a. What is the probability that exactly 8 said that it…

A: Given Information: 30% said it was cutting recreational driving. 26% said that it was consolidating…

Q: A marketing manager must decide on the size of the survey sample to be used in order to estimate the…

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Q: The correlation between two variables is a measure of the degree to which O Data points cluster…

A: Correlation shows relationship between two variables (independent and dependent)