9873 people were phoned and asked whether they liked their state's flag or whether they wanted it to be changed. 5137 people wanted to change their state's flag and 720 people said that they did not know their state's flag or had no opinion What percentage of the sample likes their state's flag?

Q: About 68.2% of the scores fall within the normal curve, which ranges from 50 to 80 and is symmetric ...

A:

Q: In 2008, a university in the midwestern United States surveyed its full-time first-year students aft...

A: Here we have to find out the  statistic used to estimate the parameter the parameter of interest th...

Q: Rafael works for NASA designing planetary rovers. For his current project, he has to design a rover ...

A: The use of standard normal probability distribution table helps us in ascertaining the percentage of...

Q: b) Suppose you select 4 chocolate bars at What is the probability that the mean weight of 4 randomly...

A: The distribution of actual weights of 8-ounce chocolate bars is approximately normal with a mean of ...

Q: From the following table, find the mean, median and m modal ages of married women at first child bir...

A:

Q: Occasionally an airline will lose a baq. Suppose a small airline has found it can reasonably model t...

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

Q: 8) Based on the data given, more likely, how many boxes of face mask would the pharmacy sell per day...

A: Given Information: The number of boxes of face masks being sold per day are 5, 6, 7, 8, 9, and 10. T...

Q: Calculate the standard deviation of the set of first 5 natural numbers when n is an odd number.

A: The numbers are 1,3,5,7,9sample size(n)=5sample mean(x¯)=1+3+5+7+95sample mean(x¯)=255sample mean(x¯...

Q: If we choose a student at random, are the events "the student is in Section 101" and "the student pr...

A: here for independent event  p(A and B) = p(A).p(B) A ="the student is in Section 101" B = the studen...

Q: Liam's bowl of spaghetti contains n strands. He selects two ends at random and joins them together. ...

A:

Q: Two hundred people were interviewed by a public opinion polling agency. The frequency distribution g...

A:

Q: Compute the following probabilities. Round final answer to four decimal places. (a) The report is op...

A: Given that  We have to find the probability that a... Report is open and comes from Queens  b.. Rep...

Q: chance

A: A lottery game involves choosing numbers at random to fill    Each of the blanks is filled by a rand...

Q: A) What formula do you need to use for this calculation B) what is the mean of the sample? c. What ...

A: GivenMean(x)=142standard deviation(σ)=8sample size(n)=400

Q: The 65th percentile in a set of data is 80. What does this mean? A At least 35% of the scores are le...

A:

Q: Find average of quarterly trend values for the given years from the data given below: Year Quarters ...

A:

Q: 6. Find the mean of the following series : Marks No. of Students Below 10 4 10-20 6. 20-30 10 30-40 ...

A: Solution is given in the attached picture:

Q: A "battle of the bands" competition is being held at a local high school, and 20 bands are competing...

A: Two way frequency table :   Electronic Acoustic Total Female 4 4 8 Male 5 7 12   9 11 20

Q: The screws to be used on a building construction have an average length of 20 cm with Std Dev of 0.9...

A: The normal distribution is the symmetric distribution with bell shaped curved. The normal distributi...

Q: The mean of 200 items is 48 and their Standard Deviation is 3. Find : The sum of all the items, (ii)...

A: Introduction: There are 200 items. The mean of the 200 items is 48; the standard deviation of the 20...

Q: ormul

A: Percentile: A percentile (or a centile) is a measure used in statistics indicating the value below w...

Q: ther is a bag with 3 red, 6 blue, and 9 green ballpens. n(S)=    P(red)=    P(not red) =      O...

A:

Q: From the following data of the marks obtained by 8 students in the Accountancy and Statistics papers...

A:

Q: Q4 Consider a Poisson process with rate X. Compute Q4(i.) Expected time of the 10th event. Q4(ii.) P...

A: Solution: a) Given the mean rate of arrival here as:  per unit time, the expected time for the 10th ...

Q: In 2006, the average household debt service ratio for homeowners was 14.35. The household debt servi...

A: Use the One Sample Z test  Calculate Sample Mean and Standard deviation Using Excel

Q: ic Assume X is a continuous random variable. What is the probability X = 1.500 exactly? Can you give...

A:

Q: A particular fruit's weights are normally distributed, with a mean of 275 grams and a standard devia...

A: Let X denote the weights of a particular fruits. Given that X follows N(mean = 275, SD = 9), then Z ...

Q: Calculate the median and mode of the following data : No. of days absent No. of students Less than 5...

A:                

Q: Find out the correlation coefficient by the concurrent deviation method: 84 80 86 86 88 102 100 110 ...

A:

Q: Find seasonal variations by the ratio-to-trend method from the data given below: 1st Quarter Year 2n...

A:

Q: (Continuous series-inclusive) Calculate median from the following data : Value Frequency Value Frequ...

A:

Q: Roulette: A Nevada roulette wheel has 38 pockets. Eighteen of them are red, eighteen are black, and ...

A: Solution-: Given:  There are n=38 pockets in the roulette and each is equally likely In which eighte...

Q: Asking for some relevant work to be shown for each question. 1. The test statistic of the si...

A: For the given statements select the correct choices

Q: Liam's bowl of spaghetti contains n strands. He selects two ends at random and joins them together. ...

A: The provided information is Liam's bowl of spaghetti contains n strands and he selects two ends at r...

Q: Determine whether the random variable described is discrete or continuous. The time of a randomly ch...

A: The random variable described is continuous.

Q: Choices (xi) Classmark (P) P(x;) x;P(x;) x;?P(x;) 0-2 0-2 33 0.8250 0.8250 0.8250 3-5 3-5 4 6 0.1500...

A: To create histogram, we represent class interval (choices) on X axis and frequencies (class mark) on...

Q: The Energetic Corporation produces electric light bulbs. When everything is going properly, the leng...

A: Since you have posted multiple sub-parts of question , we will solve first three sub-parts of questi...

Q: 14. The formula for Chi Square (x) is: * = chi squared x² = E (0; – E;)? E; O; = observed value E¡ =...

A: Given that, put 270 corn kernels, 90 rice grains, 90 mongo seeds and 30 squash seeds into a containe...

Q: A survey was conducted among the employees of a certain company and they were asked about their week...

A:

Q: The process (X(1)} whose probability distribution under certain conditions is given by (at)" - (1+ a...

A:

Q: Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a)...

A:

Q: Identify the number of significant digits in each of the following values, which are measured on a c...

A: a. 37.875 contains 5 significant digits. b. 38,397 does not contain any zero, hence all digits are s...

Q: Suppose Z follows the standard normal distribution. Use the calculator provided, or this table, to d...

A: suppose Z follows the standard normal distribution.Z~N(μ,σ)where μ=0  and σ=1

Q: Suppose an acre in the eastern plains is selected at random. What is the probability that there are ...

A: here given, Three species of prairie dogs live in Colorado. Prairie dogs, whose burrows are used by ...

Q: 4. From the data given below, find out the value of Y when X 35 10 20 30 40 50 60 70 90

A: X Y X.Y X.X 10 50 500 100 20 60 1200 400 30 70 2100 900 40 90 3600 1600

Q: Calculate Karl Pearson's Coefficient of Correlation between Xand Y for the following information: n ...

A:

Q: If the 2n RVs A, and B, are uncorrelated with zero mean and E(A²,) = E(B²,) = %3D o, show that the p...

A:

Q: Let X represent the number of tires with low air pressure on a randomly chosen car. The probability ...

A:   X 0 1 2 3 4 P(X) 0.1 0.2 0.4 0.2 0.1

Q: determined that the population of potential clientele have head diameters that are normally distribu...

A: Given :   Population of potential clientele have head diameters that are normally dist. Mean (μ) = 6...

Q: If the price of eggs differs by $0.25 from one month to the next, by how much would you expect the p...

A:   Dozen Eggs (x) Gallon of Milk (y) xy x2 1.01 2.85 2.8785 1.0201 0.94 2.85 2.679 0.8836 0....