In a survey, 20 people were asked how many magazines they had purchased during the previous year. The results are shown below. Given a lower class limit of 0, and a class width of 10, which histogram correctly represents the data? 6 15 3 36 25 18 12 18 5 30 24 7 0 22 33 24 19 4 12 9 Identify the histogram below

Q: Revisit Choose the best option Below are given the figures of production (in million tonnes) of a ce...

A: If the values of a variable when plotted against times cluster more or less around the straight line...

Q: 4. Write the follow ing sums in expanded form. (i) E X; (ii) En4 Wm+2 (iii) D2 X? (iv) D, 100 (v) (E...

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

Q: In the game of roulette, a player can place a $6 bet on the number 3 and have a probability of winni...

A:

Q: Identify the level of measurement for each of the statement below. i) The revision time of 15 studen...

A: i) The revision time are ratio level of measurements. There is a meaningful 0. For 0 hours mean no s...

Q: Suppose 500 people in the sample of 1,007 adults were women. Gallup asked these 500 women. "What is ...

A: Sample = 1007 Women = 500 35% = 175 says swimming.  

Q: A random variable X is exponentially distributed with decay parameter 1/8 . We randomly draw a sampl...

A: Please find the handwritten solution

Q: Let X be a discrete random variable with range Rx = {0, ), such that Px(0) = Px() = Px() = Px() = Px...

A:

Q: ity that a flight departed on time given that it arrives on time is e nearest thousandth as needed.)

A:

Q: There were 200 students and their intelligence were measured. The mean and Standard deviation calcul...

A:

Q: The table contains the state population and the number of licensed drivers in the state (both in mil...

A: Given regression model is, Y=0.7X c) The number of licensed drivers in state J in 2014 is 1,037,000 ...

Q: Listed below are blood groups of O, A, B, and AB of randomly selected blood donors. Construct the re...

A:

Q: Four microchips are to be placed in a computer. Two of the four chips are randomly selected for insp...

A:

Q: Aptitude Tests Twenty-eight applicants interested in working in community services took an examinati...

A: We have given that  Stem and leaf plot.  First convert into data set then find sample standard devia...

Q: he annual sales of a company are given below. Estimate the sales for 1995 2005 282 year 1985 1990 19...

A: Here given the table for annual sale of company. We have to find out sale for 1995 by interpolation....

Q: ests in a university's statistics classes have scores with a standard deviation equal to 14.1. One o...

A: The sample size n is 27.

Q: The Vice-Chancellor of a university is concerned that illicit drug use on campus is higher than the ...

A: In this case, the confidence level is 90%. The 90% confidence interval for the true proportion of st...

Q: Compute the Standard deviation from the following dat=

A: Here given grouped data 

Q: Question 10 Express the confidence interval 491 < µ < 732.4 in the form of z + ME, + ME = Question H...

A:

Q: Question 3 My friend, Ahmad, is trying to determine which of two opportunities he should invest in (...

A:

Q: Q-5 The coefficient of variation of a symmetrical distribution is 9% and mean of the distribution is...

A:

Q: If Timothy rolled a pair of dice, what is the probability that both would be "5"?

A:

Q: Suppose a population of rice grain sacks has a mean of 180 with a standard deviation of 50 kg. Using...

A: GivenMean(μ)=180standard deviation(σ)=50

Q: A biologist is studying fish diversity Lake Erie. The biologist knows that Black Carp are an invasiv...

A:

Q: Assume that final exam scores in a given course are approximately normally distributed with a mean of...

A: Here, mean is 75 and standard deviation is 10 points.

Q: A university restricts its admission to students whose SAT scores are in the top 6% of all scores.  ...

A: Consider that the mean and standard deviation of a random variable X are µ and σ, respectively. Thus...

Q: A drag racer has two parachutes, a main and a backup, that are designed to bring the vehicle to a st...

A: Consider an event A defines that main parachute deploys and event B defines that backup parachute de...

Q: Q - 10 The following table shows the pay-off matrix related to the demand and strategy of a business...

A:

Q: students in any one particular paper. Find the coefficient of skew- The data given below gives numbe...

A: Given data is  Marks No. of students 0 - 10 30 10 - 20 40 20 - 30 50 30 - 40 48 40 - 50...

Q: Question: Outside Magazine tested 10 different models of day hikers and backpacking boots. The follo...

A:

Q: In a trivariate distribution, if r12 0:7, r13 = 0.61 and r23 correlation coefficients. Also obtain t...

A:

Q: Test scores Mean Median Mode Score Frequency Relative Frequency 16 INSTRUCTIONS 15.5 Save a copy of ...

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any ...

Q: Q - 17 The following table represents the annual trend of net profit of two different companies seek...

A:

Q: n response to concerns about the nutritional contents of fast foods, McDonald’s announced that it wo...

A:  

Q: A survey asks 1200 workers, "Has the economy forced you to reduce the amount of vacation you plan to...

A: The number of trails is fixed. That is, the sample size n is 20 workers.

Q: 7. How many four-digit codes can be made out of the digits 0, 2, 4, 6, and 8 if repetition of digits...

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

Q: Problem: Calculate the interquartile range, quartile deviation and coef- ficient of quartile deviati...

A:

Q: Suppose that components have weights that are normally distributed with u = 100 and o = 10. An exper...

A: We have given that  We have given that.   X~N( μ , ?^2 )   μ =100 , ? =10 , n= 25    Z-score =( x - ...

Q: Question 5 If a single person from your sample in #4 obtained an IQ score of 96, at which percentile...

A: Given Population size N= 2000 Mean =100 Standard deviation =15

Q: Q4. The following spinner from Question 3 has outcomes: 2, 3 and 5. 3 2 5. What is the probability o...

A: Given Spinner

Q: Find the variance with solution

A:

Q: For the given pair of events, classify the two events as independent or dependent. Having an excelle...

A: Here the first one is having an excellent driving record and getting a good rate on auto insurance.

Q: 15. The sales of a company rose from 40,000 in March to 48,000 in April 2002. The company's seasonal...

A:

Q: Independent Assessment 1. Classify the following random variables as discrete or continuous. 1. the ...

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

Q: Campus athletics is interested in the proportion of registered students living on campus who play ba...

A: We are given that 95% confidence interval is correctly calculated from the given data as (0.12, 0.18...

Q: Complete the following statements by writing the correct word. 1. A variable whose value is obtained...

A: here use definition of continuous and discrete random variable

Q: A random sample of computer users were asked which browser they primarily relied on for surfing the ...

A:

Q: intelligence quotients of 100 freshmen students admitted at the College of Business Administration o...

A: Solution: Given information: Number of classes = 10  Maximum value in the data is 120 Minimum value ...

Q: Chere were three groups of tribal people and there Cephalic Lex were measure. The following are the ...

A: Given; data values of three groups of tribal people and three chephalic measure ,mean and standard d...

Q: please make your handwriting clear

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

Q: what is the probability that at least one will be working when I return?

A: Here given, The length of life of a certain brand of light bulb is normally distributed with a mean ...