There are 286.9 million drivers in the U.S. who drive a cumulative 3.2 trillion miles every year. There are 1.5 million car-wildlife collisions in the U.S. every year. If every driver in the United States bike to work one day a week, reducing their annual driving miles by 300, how many fewer wildlife collisions would there be?

Q: 1. In an examination, the mean grade is 81 and the standard deviation is 6. Find the Z-score of the ...

A: Let X be the random variable from normal distribution with mean (μ) = 81 and standard deviation (σ) ...

Q: In a frequency distribution, the coefficient of skewness based on quartiles is 0.5. If the sum of th...

A:

Q: Find out the quartile coefficient of skewness in a series where Q, mean = 18. = 18, Q, = 25, mode = ...

A: Solution-: Given: Q1=18,Q3=25,Mode=21,Mean=18 We find the quartile coefficient of skewness=?

Q: 28. Reproducibility Researchers looked at studies that were reported in newspapers with the goal of ...

A: Null and alternative are- Ho=More than a majority of initial studies reported by newspapers have the...

Q: caiculate the mean deviation (from mean) of the following series : Marks 5 15 25 35 45 No. of studen...

A:

Q: 12 blue and 14 green raffle tickets are in a box. A sample of 7 tickets are drawn. In how many ways ...

A:

Q: Results Correlation Matrix Correlation Matrix Year Level Stress Year Level Pearson's r p-value Stres...

A: Given:

Q: Perform Dixon’s Q-test and Grubb’s test for the following set of data points. Make a conclusion to r...

A:

Q: Calculate the coefficient of correlation from the following data by the Spearman's Rank difference m...

A:

Q: The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distribut...

A: Mean(µ) = 1262Standard deviations (σ) = 118

Q: 3.418 +0.123 6.3 + 0.09 46288 + 1551 428.351 + 0.27 0.01683 + 0.0058

A: Given data, type the following values correctly ?

Q: i. What is the value of the degree of freedom for this test? ii. What is the p-value for this test?...

A: For the given data Perform Chi square test Find i. What is the value of the degree of freedom for th...

Q: 4. Find the probability of getting a numbered card when a card is drawn from the pack of 52 cards.

A: From a pack of 52 cards p( numbered card )=?

Q: The following data shows the number of hours slept by a patient in 1 weeks 12 18 09 16 11 10 08 i. C...

A:

Q: Which box plot represents a set of data with the greatest median? 1. 20 22 24 26 28 30 32 34 36 38 4...

A: For a horizontal box plot, the vertical straight line within the box is defined as the median (or Q2...

Q: aim: A minority of adults would erase all of their personal information online if they could. A soft...

A: Given data, n=450 Let p be the proportion of adults that would erase their personal information Expr...

Q: In a recent study of 35 Grade5 students, the mean number of hours per week that they played video ga...

A: We know that,  Sample size (n) = 35, sample mean (x̄) = 16.6 and population standard deviation (σ) =...

Q: Below find the records of 12 randomly selected used pickup trucks (none used commercially) and 11 ra...

A: First we find the sample means for given each group as ,                

Q: QUESTION 1 Use least squares technique find a curve of the form f(x)= a,e“: *a3* to fit the followin...

A: We needt to fit the curve: f(x) = a1ea2+a3x, by using the least squares technique to equation using ...

Q: 4. List the possible samples and the corresponding means in the table. Samples Means

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only fi...

Q: For a distribution Bowley's coefficient of skewness is – 0.56, Q1 = 16.4 and median = 24.2. What is ...

A: Solution-: Given: SB=-0.56,Q1=16.4, Median=24.2 We find the coefficient of quartile deviation=?

Q: You are given the following data : 85 А. Мean Standard Deviat. 11 36 8 Correlation coefficient betwe...

A:

Q: 5 members from the math department, 5 members from the biology department, 5 members from the Englis...

A:

Q: find the value of x to the right of which 15% of the means computed from random samples of size 9 wo...

A: The average life of steam multi cooker is  7 years, with a standard deviation of 1 year. Assuming th...

Q: Mr. x is selected for interview for 3 posts. For the first post there are 5 candidates, for the seco...

A: Given that  Mr X is selected for interview for 3 posts  For first post there are 5 candidates  For s...

Q: final grade, one class project that counts as 10% of his final grade, a set of homework assignments ...

A: Given that 

Q: Write your solutions Given: |U| = 35 JANB|= 6 |ANBNC| = 2 |A| = 15 |ANC| = 6 |B|= 15 |BNC| = 5 |C| =...

A: As per our policy, we can answer only the first three parts of the question. To get the solutions of...

Q: A normal distribution has mean u = 63 and standard deviation o =20. Find and interpret the z-score f...

A:

Q: 8. Suppose X~N(5,1), find: (а) Р(X 3) (d) Р(\X — 5| > 3)

A: Solution-: Given:  X→N(μ=5,σ2=1) We find following probabilities using R-software: (c) P(X≥3)=? (d) ...

Q: c = ___ n = _____  d. Skewness (3 decimal places) d .1 (Interpret the result) e. Q1 f. Q3

A: Here arrange given data in ascending order 

Q: The population mean and standard deviation are given below. Find the required probability and determ...

A: Given that,  Mean, u= 22  And standard deviation= 1.28  Sample size is n= 70 It is known that,  Z sc...

Q: 3.How many Instagram followers does a typical celebrity have?

A:   Ans)   According to the ASA ( Advertising Standards Authority ) , anyone who have more than 30,000...

Q: Suppose it is 11 to 5 against a person who is now 38 years of age living till he is 73 and 5 to 3 ag...

A:

Q: * Two regression lines of a sample are X+ 6Y= 6 and 3X+ 2Y = 0. Find the correlation coefficient.

A:

Q: The length of a movie file that is available for streaming is modeled using the normal distribution ...

A: Let X be the random variable from normal distribution with mean (μ) = 190.3 and standard deviation (...

Q: Given the normal distribution with mean = 160 and standard deviation = 15, find the area. ANSWERS SH...

A:

Q: ane is interested in studying if there is a significant relationship between the severity of COVID 1...

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for you...

Q: (i) Find the Probability that it is an Ace, Jack, Queen, or King. (ii) It is a Jack, Queen, or King.

A: HERE GIVEN , THERE are total 52 cards in deck here use basic probability  probability  = no of favou...

Q: A. A jar of 150 jelly beans contains 20 red jelly beans, 34 yellow, 22 green, 24 purple, 28 blue, an...

A: The chances of occurrence of an event is called probability of the event. The ratio of number of fav...

Q: b. Solve for T (assume i = 10% ) 30 20 T T T

A:

Q: The statement" If Django Bustamante beat Bata Reyes in the first game, then he will have an even cha...

A:

Q: A newspaper conducted a statewide survey concerning the 1998 race for state senator. The newspaper t...

A:

Q: caiculate the mean deviation (from mean) of the following series : Marks 15 25 35 45 No. of students...

A:

Q: 4. The joint PDF of two continuous random variables X and Y is given by fr+y 0<x<1, 0<y<l S(x,v) = S...

A:

Q: You are given that mean = 50, coefficient of variation = 40% and coefficient of skewness =– 0.4. You...

A: Given that  Mean=50 , coefficient of variation=40%=0.40 Coefficient of skewness=-0.4

Q: Find out the quartile coefficient of skewness in a series where Q, = 18, Q, = 25, mode = 21 and %3D ...

A:

Q: The alpha level .001 has a corresponding z score of .002 O True O False

A: The level of significance is 0.001.

Q: 3. A survey of 10 fast-food restaurants noted the number of calories in a mid-sized hamburger. The r...

A:

Q: Calculate mean deviation (from arithmetic mean) from the following values : 100.500 100.250 100.375 ...

A:

Q: A sociologist found that in a sample of 50 retired men, the average number of jobs they had during t...

A: We have given that,  Sample mean or average (x̄) = 7.2, population standard deviation (σ) = 2.1 and ...