Is there any inconsistency in the statement "the Mean of a binomial distribution is 40 and its S.D. is 4 " If no inconsistency is found, what shall be the values of 7. g and n ?

Q: Suppose that you add 3 to all observations in a sample. How does this change the sample mean? How…

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Q: Which of the following statements are true?  **There may be more than one true statement; select all…

A: Frequency histogram is shown in the graph.a) There are more than 500 values in this sample.b) The…

Q: Summer high temperatures are distributed normally with a mean of 95.8 and a standard deviation of 4.…

A:

Q: ) Find the probability that the length of time a person shows flu symptoms is at most 9 days. ) Find…

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Q: A coin-operated coffee machine made by BIG Corporation was designed to discharge a mean of 7.3…

A: Null and alternative hypothesis H0:µ=7.3 H1: µ≠7.3   Suppose BIG decides to reject the null…

Q: 68. Bowling scores. At the time this book was written, the bowling scores, S, of author Marv…

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Q: 2) The manufacture of cans of salmon that are supposed to have a net weight of 120g tells you that…

A: Consider, X=net weight.From the given information :Mean, E(X)=121Standard deviation, SD(X)=3.6Sample…

Q: .Which of the following would be an appropriate null hypothesis?     a. The mean of a sample is…

A: Null hypothesis always do for population parameters like mu and sigma

Q: 1. Suppose the distribution of the length of a speech (in minutes) is given by the following…

A: f(y)=a(by-y2); 0<y<3

Q: The average test score on a statistics test was  84.2.   Assume the class had a normal distribution…

A: Solution: Let X be the test score. From the given information, X follows normal distribution with…

Q: 4. A sample mean has a z= +1.0 on the sampling distribution created from the population of…

A:

Q: 1. A box contains tickets 1, 1, 2, 2, 3. (The average of the tickets is 1.8 and the standard…

A: Given Information: There are five tickets in the box. (1, 1, 2, 2, 3) The average of the tickets is…

Q: 4. In each drawing for the Texas Pick 3 lottery, three digits between 0 and 9 inclusive are randomly…

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Q: The standard deviation of monthly rents paid by students in a particular city is assumed to be $ 40.…

A: Given information: The population standard deviation of the monthly rents paid by students in a…

Q: 3. The average number of hours of sleep per night that a college freshman gets is 6.5 with a…

A: In this problem, the mean and standard deviation are 6.5 and 2.8 hours respectively. We first need…

Q: The mean of a distribution is 23, the median is 24 and the mode is 25.5. It is most likely that this…

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Q: 27. The mean undergraduate cost for tuition, fees, room and board for a four-year institution was…

A: 27.The mean is $26489 and the standard deviation is $3204.

Q: Select the words that best fill in the blanks. value or distribution which comes from an experiment…

A: Given that Select the words that best fill in the blanks.   The core procedure in inferential…

Q: 1. If the mean of a distribution is greater than the median, we can say that the distribution is a.…

A: If mean is greater than the median, the distribution is skewed to the right

Q: The graphs correspond to a hypothesis test for population mean ?μ, where the population standard…

A: Given : The graphs correspond to a hypothesis test for population mean μ, where the population…

Q: Suppose that the speed at which cars go on the freeway is normally distributed with mean 75 mph and…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: Suppose that the speed at which cars go on the freeway is normally distributed with mean 73 mph and…

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Q: 2. The heights of 1000 students are normally distributed with a mean of 174.5 cm. and a standard…

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Q: 8. Which of the following is not a characteristic of listribution? A) It is always right-skewed. B)…

A: F-distribution is always right-skewed and always positive.

Q: 48) At a tennis tournament a statistician keeps track of every serve. The statistician reported that…

A: Let X be the random variable from normal distribution with mean (μ) = 97 mph and standard deviation…

Q: 7. Use R: Suppose the yearly income of people in Minnesota is normally distributed with mean 45,700…

A: Here, μ=45,700, σ=2,830, and n=10.

Q: If the sample size is multiplied by 4, what happens to the standard deviation of the distribution of…

A: If the sample size is multiplied by 4 Then standard error σnis will be halved Since σ4n which will…

Q: A positively skewed distribution has = 80,  = 12.  If this entire distribution is transformed into…

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Q: For the statistics test scores the mean is 63 and the standard deviation is 7.0 and for the biology…

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Q: A distribution has a mean of 9, a median of 9, and a mode of 9. What is the shape of this…

A: From the provided information, Mean = 9 Median = 9 Mode = 9

Q: The 10th grader Jack and the 11th grader Michael have identical math scores (i.e., they both got 95…

A: We have, Z = X - μσ where μ = Mean and σ = standard deviation

Q: Assume women’s heights are normally distributed with a mean of 63.6 inches and a standard deviation…

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Q: 7. The probability of a random customer ordering a vegetarian meal in the Ampala restaurant is 0.2…

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Q: 3. IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. a) If a…

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Q: Suppose that the speed at which cars go on the freeway is normally distributed with mean 80 mph and…

A: Answer :- Given X be a normally distributed  With mean (μ) = 80 mph and                  standard…

Q: 1. The standard deviation of SAT scores is 100 points. A researcher decides to take a sample of 500…

A: Step 1:1. The standard deviation of the sample mean (σx​) is given byσx​=n​σ​whereσ = population…

Q: Suppose that the speed at which cars go on the freeway is normally distributed with mean 67 mph and…

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

Q: 4. In which of the following distributions mean, median and mode coincide? a. Binomial Distribution…

A: The normal distribution is the continuous distribution which is symmetric and bell shaped. It is the…

Q: 5. You have a sample with a mean of 46 and a standard deviation of 8.  What is the probability of…

A: The objective of these questions is to calculate the probability of certain events occurring within…