P(A) = 0.38, P(B) = 0.42 and P(AandB) = 0.20. P(B❘ not A) =

Q: History Bookmarks Profiles Tab Window Help 5X + courses/53034/quizzes/283731 30% Question 6 1/1 pts…

A: In statistics, a percentile is a number or value that denotes the percentage of values that fall…

Q: In a recent survey of  655  working Americans ages 25-34, the average weekly amount spent on lunch…

A: The given values are:Sample size (n) = 655Mean (μ) = $43.09Standard deviation (σ) = $2.65Lower limit…

Q: The histogram shows frequencies for the ages of 25 randomly selected CEOS. Convert this histogram to…

A: Relative frequency of any age group can be calculated as "frequency of that age group divided by…

Q: help please answer in text form with proper workings and explanation for each and every part and…

A: a) option C , Clearly mentioned in the question that the claim is 13 years, the Null hypothesis is…

Q: help please answer in text form with proper workings and explanation for each and every part and…

A: - Your product provided better protection for 13 out of 20 subjects.- Your competitor's product…

Q: Blood pressure in women: The three quartiles for systolic blood pressure in a sample of  1213 women…

A: The Interquartile Range (IQR) is a measure of statistical dispersion, being equal to the difference…

Q: Createadotplotforthefollowingsetofdata: {2,2,2,3,4,5,5,5,5,5,7,8,8}

A: Step 1: Draw and label a vertical line with a title and a scale. This should include the smallest…

Q: None

A: Approach to solving the question: Analyze the question. Detailed explanation:In this context, the…

Q: help please answer in text form with proper workings and explanation for each and every part and…

A: Step 1: Step 2: Step 3: Step 4:

Q: Categorize each of the following variables as Quantitative (Discrete or Continuous) or Qualitative…

A: In statistics, variables are classified into two main types: Quantitative and…

Q: What is the probability that the sampling error would be less than or more than 1.5 seconds

A: Given:mean µ = 30standard deviation σ= 2sample size n = 16 Let x̄ represent the sample mean time,…

Q: A random sample of 75  customers was polled.   .626 and the 95% confidence interval

A: Step 1: Identify the formula for the confidence interval of a population proportion (p)Confidence…

Q: On May 25, 2024, starting at 4:30 PM, the probability of low seismic activity for the next 48 hours…

A: Step 1:Define,X= number of days out of n=200 days in which there will be low seismic activity…

Q: The table shows the number of one doctor's patients who caught a cold one week and whether or not…

A:

Q: Here is a table showing all 52 cards in a standard deck. Face cards Color Suit Ace Two Three Four…

A:

Q: help please answer in text form with proper workings and explanation for each and every part and…

A: The expected winnings for a single ticket buyer in the raffle, considering the prizes and the ticket…

Q: help please answer in text form with proper workings and explanation for each and every part and…

A: Step 1Given informationStep 2Step 3 : Step 4

Q: Find the 44th percentile, P44, from the following data P44= 1 3 4 6 21 22 32 33 53 60 64 65 66 67 68…

A: Sorted data from lowest to highest: 1, 3, 4, 6, 21, 22, 32, 33, 53, 60, 64, 65, 66, 67, 68, 69, 73,…

Q: The following table presents the time taken to review articles that were submitted for publication…

A: Given:ClassFrequency 0 - 0.9451 - 1.9182 - 2.9163 - 3.9174 - 4.9125 - 5.913 (a) The variance can be…

Q: Part d only What percentage of the 2000 adults surveyed hqve no siblings? Between blank? And…

A: Part d Percentage = (f/2000) x 100wheref = frequency  the number of adults surveyed have no siblings…

Q: The figure shows four identical conducting spheres that are actually well separated from one…

A: Step 1:Step 2:

Q: help please answer in text form with proper workings and explanation for each and every part and…

A: To find the probability that exactly two out of 11 patients will have a mild side effect, we can use…

Q: help please answer in text form with proper workings and explanation for each and every part and…

A:

Q: Insert nor U to make the statement true. {1,3,5,7,9,11} {2,8,12,18} = {1,2,3,5,7,8,9,11,12,18}…

A: In set theory, the symbol 'U' represents the union of two sets, which means all elements that are in…

Q: Kindly answer it don't copy answer from chat gpt

A: Part A: Given the distribution of ( X ):X=⎩⎪⎪⎪⎪⎨⎪⎪⎪⎪⎧​1234​with probability 0.4with probability…

Q: help please answer in text form with proper workings and explanation for each and every part and…

A: Step 1Given formationStep 2Step 3 : Step 4

Q: Answers for Question #2: > (pipo.cl<-confint(mod.type)[1,])    2.5 %   97.5 % 1575.564…

A: The mean elevation ranges for each species are as follows:For pipo.cl: [1575.564, 1864.473]For…

Q: help please answer in text form with proper workings and explanation for each and every part and…

A: To determine the sample size  n  given a 96% confidence interval with a specified width, we need to…

Q: The average number of words in a romance novel is 64,374 and the standard deviation is 17,147.…

A: a. Distribution of XX ~N(mean, standard deviation) Given:μ = mean = 64,374σ = standard deviation =…

Q: The quantity  Q3  - Q1  is known as the what?

A: In statistics, Q1 and Q3 are known as the first quartile and the third quartile respectively. The…

Q: 2) Suppose X1,..., Xn are iid each from Exp(1/0) so the density for each X is f(x10) = ½ 금0-210 x>0…

A: Approach to solving the question: the sequence is 2-->1 Detailed explanation: Examples: Key…

Q: help please answer in text form with proper workings and explanation for each and every part and…

A:

Q: The following are the ages (in years) of nine employees of an insurance company: 47 28 39 51 33 37…

A: a.Sort the ages in ascending order:24 28 33 33 37 39 47 51 59 There is a total of 9 terms.Since the…

Q: 1000047529 (2464×439)

A: To find the odds against event A, we first need to understand the relationship between probability…

Q: Show work, thank you!

A: a.) A. Right-skewed distributionThe histogram shown is a right-skewed distribution because most of…

Q: b. The frequency distribution for the values of resistance in ohms of 48 resistors is as shown.…

A: Step 1:Step 2: Step 3:

Q: A dice is rolled 3 times. What is the probability of showing a 5 on all three rolls? Probability =…

A:

Q: help please answer in text form with proper workings and explanation for each and every part and…

A: Step 1: Identify the hypothesis to be used for a chi-square testThe null hypothesis for a chi-square…

Q: 8. The rate of electric vehicle purchases in the US from 2012 to 2024 can be modeled using the…

A:

Q: Find the value of z if the area under a standard normal curve (a) to the right of z is 0.3300; (b)…

A: Note that the total area under the normal curve is 1P(Z < z) + P(Z > z) = 1 (a) to the right…

Q: help please answer in text form with proper workings and explanation for each and every part and…

A: Therefore, based on the logical progression of increasing dosages leading to greater observable…

Q: None

A: SummaryCustomer Reaction Percent Fair80%Too Long6.4%No opinion 13.6%The above data suggests that…

Q: ту Bookmarks Window Help Blackboard Learn Remaining Time: 01 minute, 02 seconds. * Question…

A: The coefficient of variation is defined as the percentage of variability of the dependent variable…

Q: 5. Given the data points y 0 1.0 0.5 1.6 1.0 2.3 1.5 2.1 2.0 1.8 2.5 1.3 fit a function of the form…

A:

Q: Problem # 2 On random packetization (perhaps a variation on a familiar theme...): A large file,…

A: c)                                     d)

Q: Save As part of a water quality survey, you test the water hardness in several randomly selected…

A:

Q: . Each element in S has equal chance of being selected.Compute the following probabilities: P(A),…

A:

Q: 4. In a market survey 100 randomly selected people were asked two questions. They were asked if they…

A: 4. In a market survey of 100 randomly selected people were asked two questions. Step 1: Identify the…

Q: Based on the Bar Graph constructed, give a summary of what the data reveals.

A: Let's delve into the statistical and probabilistic aspects of the data: 1)Mean (Average) Number of…

Q: Suppose you are the president of the student government. You wish to conduct a survey to determine…

A: In summaryIn order to guarantee that a simple random sample used for a survey of the student…