Find the P-value = 2 x P (X > 1.58 ), df= v = 18. Use MS Excel. Express your answer to six decimal places. Write zero (0) before the decimal point if the answer is less than 1.

Q: A random sample of 130 recent donations at a certain blood bank reveals that 30 were type B blood.…

A: Here's, given that sample number is 130 and select 30. We will use one proportion z test.

Q: and s=3, find the margin of error at a 95% confidence level two decimal places.

A: Solution

Q: 7. In a classes of 400 students, 220 are women, 100 are earning an A, and 70 are women that are…

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Q: Answer if the statements holds correct or not. Please explain the reason. Given: P(X) = 0.4 ; P(Y)…

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Q: 12 units are placed on a test stand; there are no failures and the units were removed from testing…

A: Solution: From the given distribution there are no failures, testing time is 164 hours. The time to…

Q: There are 4 treatments, so we have k = 4 and k -1 = degrees of freedom for Treatments. A total of 18…

A: ni denotes the size of the ith treatment. k is the number of treatment groups. N is the total no. of…

Q: In a shudy, researchere wanted to measure the effect of alcohol on the hippocampal region, the…

A: Given in step 2 is the answer

Q: Assume that a sample is used to estimate a population proportion p. Find the 99% confidence interval…

A: We have given that,  Sample size (n) = 143 and sample proportion (p) = 65% = 0.65  Then,  We will…

Q: The table shows the results of a random survey of students In grade 9 and grade 10. Every student…

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Q: Show that if P(A|B)> P(A), then P(B| A) > P(B).

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Q: 7. Test each given null hypothesis Ho against the given alternative hypothesis Ha using the given…

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Q: An article in the Journal of Sound and Vibration (Vol. 151, 1991, pp. 383-394) described a study…

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Q: State the null and alternative hypothesis (in symbol) for the given situtation. The variability of…

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Q: 16. What is the decision rule when using the p-value approach to hypothesis testing? A. Reject Ho if…

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Q: Which of the following statements is/are correct? Show computation. I) Given P(K)=0.7 and P(L)=0.3.…

A: Solution:  Given information:  P(K)= 0.7  P(L)= 0.3 P(K∩L)= 0.21

Q: Data on the numbers of hospital admissions resulting from motor vehicle crashes are given below for…

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Q: TV advertising agencies face increasing challenges in reaching audience members because viewing TV…

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Q: You may need to use the appropriate appendix table to answer this question. The average price for a…

A: Given: For country Aμ=3.79σ=0.25For country Bμ=3.45σ=0.20

Q: The workers' union at a particular university is quite strong. About 94% of all workers employed by…

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Q: 7. A hedge fund returns on average 26% per year with a standard deviation of 12%. Using the…

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Q: ptitude Test (x) Skill Course Grades (y) 86 88 83 85 92 89 79 89 87 92 92 90 91 90…

A: Given that  Aptitude Test (x).     Skill Course Grades (y) 86.                                   88…

Q: ch.8 question6 sample size SAT scores are distributed with a mean of 1,500 and a standard deviation…

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Q: The amplitude of the output signal of a radar system, i.e., receiving only noise is a Rayleigh's…

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Q: Compute the least-squares regression equation for the given data set. Use a TI-84 calculator. Round…

A: The independent variable is x. The dependent variable is y. We have to compute the least squares…

Q: A random sample of 130 recent donation a certain blood bank reveals that 30 were type B blood. At…

A: We have given that,  Population proportion (p) = 20% = 0.20, favorable cases (X) = 30 and sample…

Q: 1. What is statistical sampling 2. What is the significance/importance of statistical sampling 3.…

A: We have to define statistical sampling it's importance and also write the disadvantages of using…

Q: For this part, you will find it helpful to use a Venn diagram. You may submit a Venn diagram or…

A: 1) The number of students used only e-text is obtained as given below: NOnly e-text=Used e-text-Used…

Q: 4. Following are boxplots of weekly sales for a food store chain's three similar size and location…

A: From two box plot, We have to answer for mentioned questions by comparing both box plots.

Q: Assume that a sample is used to estimate a population proportion p. Find the margin of error M.E.…

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Q: County-wide number percentage jurors expected of number Age of jurors 21 to 40 42 5 41 to 50 23 19…

A: Given: Age County-wide percentage number jurors (O) 21 to 40 42% 5 41 to 50 23% 9 51 to 60…

Q: Two different methods can be used for measuring the temperature of the solution of a Hall cell used…

A: The independent variable is Thermo couple. The dependent variable is IR. We have do regression…

Q: 6. An analyst is forecasting net income for Excellence Corporation for the next fiscal year. Her…

A: The probability density function for uniform distribution is

Q: A rainstorm in Portland, Oregon, wiped out the electricity in 5% of the households in the city.…

A: Given : Sample size = 80 Sample proportion = 0.05

Q: (5) If two events A and B are mutually exclusive, then the joint events, AnC and BOC are also…

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Q: The diameter of a certain shaft is normally distributed with a mean expected to be 2.79 cm and a…

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Q: What is the expected distance traveled in a ride?  (b) Whal is the expected cost of a ride?  (c)…

A: here given  Suppose the distance traveled in an ride-share trip in a certain area can be modeled by…

Q: Chloe's z score for her test was z 0.1. Her actual test score was x 80.71. The class mean was =…

A: Given,mean(x¯)=80.59Z-score=0.1her actual test score(X)=80.71

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

A: It is given the time interval between eruptions of a geyser in recent times and 20 years ago times.…

Q: [CLO-1] Find the standard deviation o of the data set (1,3,6,8,10} 04 0 5.8 O 10.6 0 3.26

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Q: Given that Z is a standard normal random variable, compute the following probabilities. a.…

A: Givena)P(-1≤Z≤0)

Q: 14. In general, the null and alternative hypotheses are, A. additive B. correlated C. multiplicative…

A: Given: MCQ's

Q: (HaHa) at a significance level of α=0.005.       Ho:μ=75.6       Ha:μ≠75.6 You believe the…

A: Given that : μ=75.6 M = 72.6 S = 5.1 n = 28 By using one sample hypothesis testing we solve this…

Q: True or False. In order to know whether a hypothesis test is one-tailed or two-tailed, the null…

A: Here, when we had one tailed or two tailed hypothesis then then we consider null hypothesis based on…

Q: C. Choose the letter that corresponds to the correct answer. 1. In testing hypotheses, what test…

A: (1)  In testing hypothesis, if population variance (σ2) or population standard deviation (σ) is…

Q: Suppose we want to estimate the proportion of teenagers (aged 13-18) who are lactose intolerant. If…

A:

Q: 7. Suppose that X- Normal (u,o²). (a) Find the PDF fy(y) of Y = e, and then sketch the graph of fy…

A: 7) Given that  X follows normal with mean μ and variance σ2 The probability density function for X…

Q: C. Choose the letter that corresponds to the correct answer. 1. In testing hypotheses, what test…

A: Given: MCQ's

Q: Find the linear regression equation for an approximate linear model for Gary's recent mountain bike…

A: From the given information, d represents ride distance and t represent ride time in hours.

Q: de 8 female students is 158.2 cm. The mean height of a sample of 100 female students is 160 cm with…

A: Given: Sample size = 100 Sample mean = 160 Hypothesized mean = 158.2 Sample standard deviation = 6…

Q: 1. Increasing medical costs have created a financial crisis among insurance companies that provide…

A: The random variable annual medical claim per employee follows normal distribution. We have to…