A child mixes 10 good and three dead batteries. To find the dead batteries, his father tests them one by one and without replacement. What is the probability that the fifth battery is dead? If the first four batteries tested are all good, what is the probability that the fifth one is dead?

Q: a) Find the value of constant a. b) Find P[X < 3]. c) Find the probability that X is odd. d) Find…

A: Solution

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Q: used to heip prevent bIood clots certain patents. In clinical triais, among treated witn the drug.…

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Q: If there are 3 brands of mobile phone products, B1, B2 and B3. 30%, 50% and 20% respectively are on…

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A: NOTE: As per the guidelines, we are supposed to solve the first three sub parts only. Please repost…

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A: It is given that, one out of every 25 students is expected to fail an exam.

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A: Given that the factorial design is 2x3  for 20 participants in each of 6 conditions. 1) In a 2x3…

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Q: The following is a random sample of the annual salaries of high school counselors in the United…

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Q: Consider a box containing {1, 2, 3, 4, 5, 6, 7}. Four hundreds draws are made from this box with…

A: Given Information: A box contains 1, 2, 3, 4, 5, 6, 7. Four hundreds draws are made from this box…

Q: If a coin is tossed three times, the probability of getting the same face for all three tosses is:…

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Q: A stemplot is created from the ages of drunk drivers involved in fatal car crashes and the first row…

A: Given that  Stem leaf plot  Stem | leaf      1   |  6 7 8 8 8 9

Q: Determine the residual of a data point for which x = 0 and y = -1. Select one:  A.  -1.552 B.…

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Q: What is the definition of Type I error? When does it occur? How is it related with level of…

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Q: Around 400,000 new cases and more than 4,000 deaths have been reported on many days in May" A.With…

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Q: a. Use the sample data with a 0.01 significance level to test the claim that for the population of…

A: Given: Actress Actor 31 64 26 40 31 38 27 37 35 27 25 31 28 53 39 36 33 37…

Q: In a random sample of 90 homeowners, 71% of them have received robocalls over an outstanding debt.…

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Q: Consider the premises. P:- All athletes practice. Q- If one practices, then s/he becomes strong. R:=…

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Q: 2. A study on the factor that determine sales (y in millions of dollars) for a big grocery store…

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Q: Are low-fat diets or low-carb diets more effective for weight loss? A sample of  77  subjects went…

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Q: Calculate the correlation coefficient r, letting Row 1 represent the x-values and Row 2 the…

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Q: A. On the right-hand side construct a stem and leaf plot for the following data: 64 98 96 STEAM LEAF…

A: Frequency Table Class Count 43-48 2 49-54 3 55-60 1 61-66 9 67-72 4 73-78 3 79-84 2…

Q: In a study of government financial aid for college students, it becomes necessary to estimate the…

A: Given that  Margin of error =E =0.03 90% confidence interval.

Q: A. Classify the following statements as to whether they belong to the area of descriptive statistics…

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Q: Data for Semester 4 (four) students containing Name, Gender, Statistical Exam Scores and Body…

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Q: A student in an animal physiology class did an experiment to determine the effect of environmental…

A: Given information: The output of simple linear regression model is given.

Q: The number of content changes to a Web site follows a Poisson distribution with a mean of 0.25 per…

A: Let X be the random variable from Poisson distribution with mean (λ) = 0.25 Then,  We will find…

Q: Listed below are systolic blood pressure measurements​ (mm Hg) taken from the right and left arms of…

A: Given: Right arm Left arm 147 184 149 167 139 183 137 147 135 143

Q: In a recent survey of 150 teenagers,  93 stated that they always wear their seat belt when they…

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Q: Labor force participation among women rose in the United States between 1975 and 2000 and has beeen…

A: Population proportion, p = 0.58According to Central Limit Theorem, thedistribution of sample…

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Q: You measure 27 turtles' weights, and find they have a mean weight of 33 ounces. Assume the…

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Q: horse kicks each year in each corps in the Prussian cavalry followed a Poisson distribution with a…

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Q: For the given confidence level and values of x and n, find the following. r= 46, n= 98, confidence…

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Q: calculate the test statistic

A: here given table for calculate chi-square test statistic

Q: Use the data given below to examine the association between Waist and %Body Fat. Complete parts a)…

A: Consider the regression equation, Excel Procedure: Enter Waist and Body fat in Excel&gt;Data&gt;Data…

Q: India is staring at a human catastrophe of unimaginable proportions what's gone wrong how could the…

A: Given information: Around 400,000 new cases and more than 4,000 deaths have been reported on many…