Find the indicated probability and interpret the result. From 1975 through 2020, the mean annual gain of the Dow Jones Industrial Average was 652. A random sample of 32 years is selected from this population. What is the probability that the mean gain for the sample was between 400 and 700? Assume σ = 1539. The probability is (Round to four decimal places as needed.) Interpret the result. Select the correct choice and fill in the answer box to complete your choice. (Round to two decimal places as needed.) A. About OB. About OC. About OD. About % of samples of 32 years will have an annual mean gain between 652 and 700. % of samples of 46 years will have an annual mean gain between 400 and 700. % of samples of 32 years will have an annual mean gain between 400 and 700. % of samples of 32 years will have an annual mean gain between 400 and 652.

Q: Sixty-five percent of men consider themselves knowledgeable soccer fans. If 10 men are randomly…

A: Given  n=10, p=65%

Q: Fill in the missing value so that the following table represents a probability distribution. x…

A: Missing value=0.4

Q: You are curious about how the mean age of cars compares for students and faculty. You take a random…

A: We have given that a random sample of 25 students and a random sample of 25 faculty members.

Q: Find the indicated probability. Round your answer to four decimals. According to a survey, 60% of…

A: It is given that the number of observations are independent with the probability of success p = 60%…

Q: The table summarizes results from 985 pedestrian deaths that were caused by automobile accidents.…

A: Given, 985 deaths were caused by automobile accidents. Driver intoxicated Pedestrian intoxicated…

Q: In a recent survey, 65% of the community favored building a health center in their neighborhood. If…

A: Given  p=65%, n=14, x=8

Q: Suppose that the probability that the life of a battery will exceed 36 months is 0.42 You take a…

A: It is given that, n=102 p=0.42

Q: A point is chosen at random in the square shown below. Find the probability that the point is in the…

A: Given that, a dart hits the small square target shown below at a random point. Each side of the…

Q: tests, a term paper, and a final examination. Each test counts as 15% of the course grade. The term…

A:

Q: An individual component has a 0.06 probability of developing a fault. Calculate the probability that…

A:

Q: An assessment consists of a true/false question followed by a true/false question. If both questions…

A: Given that an assessment consists of a true/false question followed by a true/false question.

Q: A student takes a ten question true false quiz but did not study and randomly guesses each answer.…

A: Given: Number of questions = 10Probability of getting correct =1/2 =  0.5 (because it is a true -…

Q: A couple plans to have 14 children. Assume that girl and boy births are equally likely. Find the…

A: A couple plans to have 14 children. Assume that girl and boy births are equally likely.

Q: A poll showed that 68.5% of Americans say they believe that Marilyn Monroe had an affair with JFK.…

A: Given information- Percentage of Americans believe that Marilyn Monroe had an affair with JFK =…

Q: You are curious about how the mean age of cars compared for students and faculty. You take a random…

A:

Q: Find the mean of weight of cranes in kg. The weight of 6 cranes are 25, 10, 40, 45, 9, 21 in kg.

A: The weights of the cranes are given as 25 kg, 10 kg, 40 kg, 45 kg, 9 kg, 21 kg. These are the data…

Q: What is the probability of randomly selecting a Female or a New product? New product Old product…

A: We have given that the data into a cross tabulation form. Total number of persons = 73

Q: A poll showed that 46.1% of Americans say they believe that statistics teachers know the true…

A: Given : The proportion of who believe that statistics teacher know the true meaning of  life : p =…

Q: A research firm claims that the distribution of the days of the week that people are most likely to…

A: The question is about categorical data analysis.Given :

Q: town council commissioned a random sample of 85 households to estimate the number of four-wheel…

A: From the given information we find the estimate the number of four-wheel vehicles per household in…

Q: 00 R The table summarizes results from 983 pedestrian deaths that were caused by automobile…

A: Driver intoxicated  Pedestrian Intoxicated Yes Pedestrian Intoxicated  No Total Yes 49 74 123…

Q: Find the mean and median of the class’s scores on this quiz. Round to two decimal places when needed

A: Given that  From histogram  X-axis takes X values and Y-axis takes Frequency  X Frequency = f 1…

Q: The table summarizes results from 978 pedestrian deaths that were caused by automobile accidents.…

A: Solution:                                                                Pedestrian Intoxicated…

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.41%. A random sample of 31 of…

A: Guven:Mean (µ) = 2.41Standard deviation (σ) = 1.36Sample size (n) = 31

Q: A math dasses at a North Toronto high school took a quiz. The grades for the 9 students in the class…

A: We have given that the data in table form. We can write this data in discrete form as: 3, 5, 5, 5,…

Q: A certain disease has an incident rate of 0.5%. If the false negative rate is 4% and the false…

A: Given that the false-negative rate is 4%. That means the probability of having the disease when the…

Q: A student takes a true-false test but did not study and randomly guesses each answer. There are 20…

A:

Q: A professor grades students on four tests, a term paper, and a final examination. Each test counts…

A:

Q: A sports statistician recorded the speed of every serve made by a certain tennis player at the U.S.…

A: It is given that the mean serve speed in the tournament is 98 miles.The distribution of the serve…

Q: uppose you go to the grocery store and spend $92.54 for the purchase of 12 items . What is the mean…

A: Given that  Amount spent  = $92.54 Number of items bought = 12     We know that  Mean amount =…

Q: d. The degrees of freedom = e. The test-statistic for this data (Please show your answer to three…

A: d. Degrees of freedom: df=number of categories-1   =4-1   =3

Q: Place the following in order to show how you find the standard deviation. Take the square root of…

A:

Q: What is the probability of randomly selecting someone who is Professor and has a New service?

A: It ia given that Total = 66 Number of individuals who are Professor and has a new service = 20

Q: w depicts a sample space (S) where the dots are outcomes an ents. Red outcomes are twice as likely…

A:

Q: What is the probability of randomly selecting a adult?

A: It ia given that Total = 105 Number of adults = 53

Q: Roll a pair of die 36 times, and draw a bar graph of all the outcomes. Using the data, find the…

A: In question,  Given that a pair of dice is rolled 36 times. Then we'll find mean Variance and…

Q: The area model represents a carnival game. Find the probability of winning a rabbit. Round to the…

A:

Q: What is the probability of randomly selecting a Male or a Cat?

A: It is given that Total = 83 Number of males = 38 Number of cat = 32 Number of cat and males = 15

Q: 65% of the people in Missouri pass the driver's test on the first attempt. A group of 7 people took…

A: Introduction:If X ~ Bin (n, p), then the probability mass function of X is:p (x) = (nCx) px (1 – p)n…

Q: Checkout times. The checkout times (in minutes) for 12 randomly selected customers at a large…

A: Solution-: We find, (a) The mean of the checkout times ...min (b) The standard deviation of the…

Q: Yi = 5,25,50,100,200.

A:

Q: The table summarizes results from 978 pedestrian deaths that were caused by automobile accidents.…

A: Pedestrian Intoxicated   Total DriverIntoxicated Yes No   Yes 52 72 124 No 263 591 854…

Q: The table summarizes results from 979 pedestrian deaths that were caused by automobile accidents.…

A: Given :  DriverIntoxicated? Pedestrian Intoxicated? Yes No Total Yes 54 66 120 No 282 577…

Q: Scores on a test have a mean of 66 and a standard diviation of 9. Michelle has a score of 57.…

A: Given,          Mean μ=66          Standard deviationσ=9          Michelle has a score X=57