A survey was conducted in a section on which subject they like best. 55 likes Math, 50 likes English, 51 likes Science, 32 likes Mathematics and English, 28 likes Mathematics and Science, 25 likes English and Science and 10 likes Mathematics, English and Science. How many were there in the section?

Q: 1. We want to see if there is a difference in the average delivery time of two local pizza restauran...

A: n1=n2=6,x̄1=29.1, s1=1, x̄2=26.5, s2=1.2   

Q: Variable X Variable X Variable X (i) (ii) (iii) Frequency Frequency Frequency

A: Solution: Figure (1)  Option (C)  Symmetric bimodal       Figure (2)  Option (B)  positively skewed ...

Q: Question 11 A recent statistics exam yielded the following 10 scores. Construct a frequency polygon ...

A: For the given data construct frequency polygon  

Q: 1) Meredith works 40 hours per week regularly, at a rate of $10.20 per hour. When she works overtime...

A: Given that Meredith works at rate of $10.20 per hour for 40 hour per week and overtime time rate is ...

Q: According to a study the average waiting time at the drive thru window at Mc Donald as measured from...

A: We have given that  Sample size n =25 Sample mean =3.84 Standard deviation =0.4  

Q: If you roll two six-faced dice together, you will get 36 possible outcomes. Answer the following sta...

A: If two dice are rolled than the possible out comesare 36. 

Q: Questions A-D: Refer to the following table showing postmenopausal hormone use and coronary heart di...

A: Given Information: Postmenopausal hormone use Coronary heart disease Person years Ever use 30 5...

Q: 3. The score in Problem Set I of 5 studentS from three sections of MMW class were organized in the t...

A: Given:   Student Number Section A Section B Section C 1 65 95 75 2 40 71 74 3 74 39 68 4...

Q: 2. Let X be exponentially distributed with population mean u. Recall that the exponential cdf is F(x...

A: @solution:::

Q: 36 45 49 53 55 56 59 61 62 65 67 72 77 80 81 85 91 94 96 98

A:

Q: Find the corresponding area of the following: a.) z= and z=1.00 b) z=0 and z=-1.34 c) above 1.36

A: We have to find given probability using z table.

Q: Calculate the variance of an ordinary Brownian Motion.

A:

Q: how to find process capability ratio

A:  The process capability ratio is defined as Cp=USL-LSL6σ Cp=Process Capability Ratio USL=upper speci...

Q: 4. (Proportion 5%) Supposing that X,,X,.,X,-N,(u,E) as an i.i.d with 2| is given. Determine the dist...

A: just find the mean vector and covariance matrix..............

Q: Let lij (i = 1,2, j = 1, 2) be the four treatment means. Show that the F-statistic for Factor A is t...

A: Given information: CA=μ11+μ12-μ21-μ222

Q: A collar manufacturer is considering the production of a new type of collar to attract young men. Th...

A: Given:   Mid value (x) Number of students (f) 12.5 4 13 19 13.5 30 14 63 14.5 66 15 ...

Q: Use Gamma distribution as your prior distribution. Set the parameters of the gamma prior distributio...

A: α 1 β 2 λ 4 n 6 Gamma Distribution: Gamma Distribution uses shape and scale as parameters ...

Q: Find the equation of the regression line for the given data. Then construct a scatter plot of the da...

A:    

Q: The table summarizes results from 977 pedestrian deaths that were caused by automobile accidents. Pe...

A:

Q: 1. Three Hundred digits were chosen at random from a set of tables. The frequencies of the digits we...

A: Given Information: Digits 0 1 2 3 4 5 6 7 8 9 Total Frequency 28 29 33 31 26 35 32 30 31 25 300...

Q: Suppose the random variable X has a geometric distribution with p = 0.4. Determine the following pro...

A: Givenp=0.4q=1-pq=1-0.4q=0.6A random varaible x~Geometric(p =0.4 )P(X=x)={pqx-1   ; x=1,2,3.....0    ...

Q: A normal distribution has a normal distribution of 70 with a standard deviation of 8. If one score i...

A: Here Given  Mean=μ=70 Standard Deviation=σ=8

Q: The number of telephone calls that arrive at a phone exchange is often modelled as a Poisson random ...

A: Given The data is as follows: Let X be the event of getting calls. X~Pλ=8

Q: O If p(A) = 0.17, p(B) = 0.06 and p(A and B) = 0.0102, are A and B independent?

A:

Q: Find the probability that the value of an item drawn at random from a normal distribution with mean ...

A:

Q: Example 11. Acollar manufacturer is considering the production of a new type of collar to attract yo...

A:

Q: Calculate trend values by the method of Least Square from the data given below and estimate the sale...

A:

Q: Most people know that their chances of getting cancer increase as they age. In fact, by looking at d...

A:

Q: The file contains the amount that a sample of nine customers spent for lunch ($) at a fast-food rest...

A: Observation: XX X^2X2 1 4.20 17.64 2 5.03 25.3009 3 5.86 34.3396 4 6.45 41.6025 5 7.38 54....

Q: 1. What is the data value associated with a z-score of 2? 2. What is the data value associated with ...

A: Please note that as per our company's guidelines if multiple sub-parts are there in a question, we c...

Q: A bag contains 6 white and 4 black balls and a second one 4 white and 8 black balls. One of the bags...

A: GivenA 1st bag containsNo.of white balls = 6No.of black balls = 4a 2nd bag containsNo.of white balls...

Q: Complete the following probability distribution table and then calculate the stated probabilities. O...

A: Given Information: Outcome a b c d e Probability 0.3 0.01 0.5 0.09 ? Since the total probabi...

Q: Find the probability that the value of an item drawn at random from a normal distribution with mean ...

A:

Q: 2.  In paragraph format, address all these items for the results section for EVERY hypotheses:     ...

A: There are four types of the scale of measurement for data. Nominal and ordinal data set come under q...

Q: The mean life time of a sample of 400 fluoroscent light bulbs produced by a company is found to be 1...

A:

Q: Below is bivariate data on vintage dresser auctions, where X is the year of construction of the dres...

A: For the given data ( a ) correlation = ? ( b) Regreesion line = ? ( c ) Predict when x =1865

Q: Data X Data Y Data Z 25 25 25 Time left 0:4- 20 20 20 15 15 10 10 10 5 5 5 1 2 3 4 5 6 7 8 9 10 1 2 ...

A: The standard deviations and median are to be inferred from the plotted graphs, through visual inspec...

Q: .. A bag contains 5 white and 3 black balls. Two balls are drawn at random one after the other witho...

A: GivenA bag contains No.of white balls = 5No.of black balls = 3Total no.of balls = 8

Q: Build a frequency distribution table for the following data. 3, 5, 7, 5, 8, 4, 11, 1, 15, 5, 12, 9, ...

A: Given data is 3,5,7,5,8,4,11,1,15,5,12,9,2,5,14

Q: The number of automobile accidents per week in a certain community were as follows: 12, 8, 20, 2, 14...

A:

Q: 1. Hand in: Let f(x, y) = 6y(1 – y), function. Find E(X|Y = y) 0 <x<y<1 and zero eswhere be a valid ...

A:       A joint probability density function for the continuous random variables X and Y is the fx,y(x...

Q: The following C.I.s were obtained for the mean of the same populat [16, 23] and [18, 25]. Identify t...

A: From the given information, The C.I for the mean are 16, 23 and 18, 25. Consider, [16, 23]. ME=23-16...

Q: A particularly long traffic light on your morning commute is green 15% of the time that you approach...

A:

Q: Find the variance of the given table in the attached photo

A:

Q: Assume you record the number of "grand prizes" for a huge sample of 100 spins. What will be the stan...

A:

Q: A survey was conducted among 50 PUP students to know the brand of vaccine they had for the first 2 d...

A: given that  among 50 PUP student  revealed that 20 students had both Sinovac and Astrazenica while 1...

Q: Let B(t) represent the change in the price (US dollars) of a barrel of crude oil t days from now. Su...

A:

Q: FIRST OPTION 1. What is the data value associated with a z-score of 2? 2. What is the data value ass...

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case yo...

Q: The number of cartoons watched by Mrs. Kelly's first grade class on Saturday moming is shown below. ...

A: We have given that x P(x) 0 0.15 1 0.20 2 0.30 3 0.10 4 0.20 5 0.05

Q: .. For a distribution mean is 10, standard deviation is 4, JB, =1 and B, =4. Obtain the four moments...

A: