r~B(35,0.4) Would the normal distribution be a good approximation of this distribution? Give a range of examples to support your claim.

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Q: The scores of a large calculus class had an average of 70 out of 100, with a standard deviation of…

A: Given: μ = 70 σ = 15

Q: random

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Q: Prof. Johnson conducts a hypothesis test on whether the proportion of all UBC students who bike to…

A: The provided information is The null and alternative hypothesis isHo:p=0.3HA:p≠0.3AndThe level of…

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Q: It is claimed that the percentage of viewers tuned to a TV station's new sitcom is 30%. Out of the…

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Q: Given the 4 categories and distribution, apply the Goodness-of-fit test for the claim that the 4…

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Q: State the assumptions for one-way fixed effects model and the one-way random effects model.

A: Fixed Effects : It is assumed that 1)ε i ( j ) is normally and independently distributed with a mean…

Q: et X,, X2, ... Xn be a random sample from N (u, o²). Determine AMle and ôLE-

A: Given that  X follows Normal distribution with mean and variance  We have to find maximum likelihood…

Q: A husband wants to give his wife a gift for Valentine's day. He has five chocolates, two pieces of…

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Q: Suppose the probability that a person picked at random has lung cancer is 0.035 and the probability…

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Q: Given the data, Find the Folowing:  4.) standard deviation, 5.) variance, 6.) mean deviation,

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Q: 14. A product output is known to be 1% defective. In a random sample of 400 components, determine…

A: As per company guidelines I solved only First questions.thank you

Q: If the students read only 101 books for the month of June, which measure of central tendency will…

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Q: A clothing store wants to investigate customer preferences between four different types of clothes…

A: a) In this case, it is appropriate to perform one way ANOVA model. Assumptions of a one-way ANOVA…

Q: An energy company wants to choose between two regions in a state to install energy-producing wind…

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Q: The overhead reach distances of adult females are normally distributed with a mean of 205.5 cm and a…

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Q: Construct a 95% confidence interval on the difference in the two fractions defective a. Cl on the…

A: Given : n1 = 300 x1 = 15 n2 = 300 x2 = 8 confidence level,c=0.95

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Q: able to easily calculate the actual percent of dropped calls directly from the entire database of…

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Q: Assume that Y denotes the number of bacteria per cubic centimeter in a particular liquid and that Y…

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Q: For a given confidence interval and significance level, and assuming a relatively small sample size,…

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Q: 1099 -INT from his bank that showed he earned $ 500 in taxable interest last year. Joe is singre can…

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Q: 3. What z-score separates the lowest 10% of the distribution from the rest? a, z= 0.90 %3D b. z…

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Q: In a random sample of 23 people, the mean commute time to work was 30.2 minutes and the standard…

A: We have given that,  x̄ = 30.2, s = 7.2 and n = 23 Then,  We will find the 99% confidence interval…

Q: Random variables X and Y have the means and standard deviations as given in the table to the right…

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Q: Which of the following is a false statement about simple random samples? O A sample must be…

A: Sample is the any fraction of the population. Population is the whole set of observation that are…

Q: An analyst is trying to understand the variation of portfolio returns, shown in the left column, by…

A: R-squared value: It is also known as Coefficient of determination. In a regression analysis, it…

Q: A clothing store wants to investigate customer preferences between four different types of clothes…

A: Anova is used to measure the mean significance between more than three groups. It follows the…

Q: Express the null hypothesis H and the alternative hypothesis Hin notation form in the following…

A: Given :  A Mathematics teacher claims that the mean IQ of Statistics students is 110.

Q: A tea store manager claims that Branch A has lower average daily sales compared to Branch B. He…

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

Q: the right. At a= 0.025, can you reject the claim that the distribution is uniform? Complete parts…

A: Given : significance level,α= 0.025

Q: Assume that the sample is a simple random sample. 19.5      21      7.5      19      14      20…

A: given data : 19.5,21,7.5,19,14,20,10,12,21.5,16.5

Q: Solution: Graph: Decision: Conclusion:

A: