When n=64 whales are randomy selected, what would be the mean of the sampling distribution? Hã= 18 4.5 O 2.25 1.125

Q: random samples are selected from two independent populations. A summary of the samples sizes and sam...

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Q: The data in the chart shows the maximum and corresponding resting heart rate of a healthy 20-year ol...

A: Solution-: Let, X=Resting heart rate and Y=Maximum heart rate We have following data: X Y 50 16...

Q: T18=0-98, r13=0•44, and r23=0•54 Calculate the partial correlation coefficient between first and the...

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Q: A professor claims that he writes his exams so well that the average is never less than 85 points. H...

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Q: Summarize the 5 properties that a normal curve will have when correctly graphed. Use the paperclip b...

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Q: Describe the shape of both sampling distribution.

A: The shape of both of the sampling distribution is Normal distribution. Because Normall distribution ...

Q: Part 1. In a normal curve, how many percent of scores fall between -2σ and +2σ? Part 2.  In a norma...

A: Empirical rules:1) P(μ-σ<X<μ+σ)=68%2) P(μ-2σ<X<μ+2σ)=95%3) P(μ-3σ<X<μ+3σ)=99.7%

Q: Example 10. Following are the heads of income of Railways during 2004 and 2005. 2004 2005 (in crores...

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Q: Suppose Z follows the standard normal distribution. Calculate the following probabilities using the ...

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Q: What is the n-value for this test?

A: We have given that the result output by the MINITAB. The Chi-Square statistic is 7.507306. The degre...

Q: A data set lists earthquake depths. The summary statistics are n=600, x= 4.68 km, s= 4.31 km. Use a ...

A: Solution- Given that  Sample size n=600 To test the hypothesis H0 u=4 Vs Ha: u≠4 So option (b) is co...

Q: You are asked to guess the average weight of the six watermelons by taking a random sample without r...

A: Here drawing 2 sample without replacement  So Total possible sample 6C2 = 15

Q: The table below shows a random sample of musicians and how they learned to play their instruments. G...

A: Given that, a random sample of musicians and how they learned to play their instruments. Gender S...

Q: For a multistate lottery, the following probability distribution represents the cash prizes of the l...

A: From the image, we can form a proper table of x and P(x), x (cash prize in dollars) P(x) Grand ...

Q: A blood bank asserts that a person with type O blood and a negative Rh factor (Rh−) can donate blood...

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Q: A normal distribution has a mean of 33 and a standard deviation of 4. Find the probability that a ra...

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Q: The following table gives the score obtained by 11 students in English and Tamil Translation. Find t...

A: Given the table that gives the score obtained by 11 students in English and Tamil Translation.  We h...

Q: Given ue Iollowing pairs of corresponding values of X anu Y: 20 25 30 35 40 Y 73 198 573 1198 1450 E...

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Q: (a) What is the probability that a randomly chosen 10 year old is shorter than 48 inches? (please ro...

A: Here Given Heights of 10 year old is normally distributed with  Mean=μ=55 Inches S.D=σ=6 Inches HERE...

Q: Suppose that in a particular year, the U.S. government held a lottery to issue 67,000 Green Cards (p...

A: Since you have posted multiple questions, we are answering the first question.

Q: For the following probability distribution: x f(x)   0 0.01   1 0.02   2 0.10   3 0.20   ...

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Q: Consider the grouped frequency distribution below, in which the speed (in km/hr) of 40 cars are pres...

A: Given that  Total number of car=40 The speed limit of car is 120km/h Find the percentage of car spee...

Q: 3. Two lists of numbers, X and Y, have a correlation of 0.3; X and Z have a correlation of - 0.7 We ...

A: ( 3 ) Select the correct choice (4 ) select the choice have a negative association

Q: A poll reported that 63% of adults were satisfied with the job the major airlines were doing. Suppos...

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Q: How may we enhance confidence in a point estimate?

A: We know that, if the sample size (n) tends to infinity then sample statistic tends to population par...

Q: The population standard deviation of the square feet data is ​(Round to two decimal places as​ n...

A: Find the population standard deviation of the square feet data is  = ?

Q: A data set includes data from student evaluations of courses. The summary statistics are n=97​, x=3....

A: Givenn=97x=3.93s=0.69α=0.10

Q: 5. You are given below the following in formation about advertisement and sales. Adv. Exp. (X) Sales...

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Q: vernments in India during 1997 – 98, 1998 – 99, 1999 – 2000 by bar diagram. Represent the JU expendi...

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Q: 3. Assume that military aircraft use ejection seats designed for men weighing between 145.4 lb and 2...

A: Given that  AS PER THE TERMS I ANSWERED 1ST QUESTION  3RD QUESTION ALSO. 2,4 REPOST IT AGAIN.

Q: A can hit a target three times in five shots, B two times in tive shots and C three times in four sh...

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Q: At a certain airport at the check in, passengers are randomly selected for a full body search for po...

A: Explanation: here given the illegal substances 5%   How the probability that 3rd illegal substances ...

Q: Find the area of the shaded region under the standard normal distribution to the left of the given z...

A: Solution-: Let, Z- be the standard normal random variable We fin, P(Z<-0.05)=?

Q: The table shows the political party affiliation of each of 67 members of the US Senate in June 2012,...

A: We are given the below tabular information: Up for reelection: Democratic Party Republican Party ...

Q: the critical value is 7.81 and the test statistic is 148.33, what can we conclude?

A: We have given that  Critical value=7.81 Test statistic =148.33

Q: Listed below are time intervals (min) between eruptions of a geyser. Assume that the "recent" times ...

A: First we find the mean and standard deviation for the given two groups as below-            

Q: In the binomial probability distribution, let the number of trials be n = 4, and let the probability...

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Q: please answer question #24 , I'll appreciate if you show the process with details. If you use the ca...

A: Mean(µ) = 3.5 Standard deviations (σ) = 1 X~ N (µ, σ )= N ( 3.5, 1)

Q: Find (i) the most probable value of Y when X =60 and (ii) r, the coefficient of correlation

A: Here use given data for correlation coefficient and regression line 

Q: rresponding t8! You are given 1 or 2 z-score(s) and heed to shade the area (=probability) P(z > 1.2)...

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Q: A survey of 2255 randomly selected US adults found that 0.51 or 51% of them said they know all or mo...

A: Hypotheses are H0: P =0.5 H1: P> 0.5

Q: . What is the probability that the amount of liquid hand soap consumed in a month per secondary scho...

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Q: A survey was conducted to calculate the average height students at MNSU. It turns out that after ask...

A: Given that 

Q: 11. A year ago, Angela began working at a computer store. Her supervisor asked her to keep a record ...

A: We have given that data  Median = middle value of the data set . Range = maximum - minimum  NOTE:- A...

Q: In the lecture video, we learn that if o is given, then the 95% confidence interval for u is: P(-1.9...

A: Answer are below 

Q: The manager of a fast-food restaurant wishes to estimate the mean waiting time customers spend at th...

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Q: Consider the grouped frequency distribution below, in which the speed (in km/hr) of 40 cars are pres...

A: We want to tell you which one is the correct choice.

Q: d. The p-value - |(Please show your answer to 4 decimal places.) e. The p-value is ?Va f. Based on t...

A: For the given data perform t test for one mean

Q: Use the pulse rates in beats per minute​ (bpm) of a random sample of adult females listed in the dat...

A: The random variable pulse rate follows normal distribution. We have to test whether the mean pulse r...

Q: The manager of a fleet of automobiles is testing two brands of radial tires and assigns one tire of ...

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