Fifty-five percent of the applications received for a credit card are accepted. Among the next 12 applications, determine the expected number and the variance of the accepted applications. (CSLO 1,3,7)

Q: In a series of 5 observations, the values of mean and variance are 4.4 and 8.24. If three…

A: It is given that the mean and standard deviation are 4.4 and 8.24.

Q: This box and whiskers was created from a random sample of new 1993 cars. The city gas milage (in…

A: a box plot—displays the five-number summary of a set of data.The five-number summary is the minimum,…

Q: A college placement office sent a questionnaire to a sample of business school graduates requesting…

A: We know that variance is a measure of how distorted a data set is. It is calculated by the average…

Q: Suppose a population has three values 13, 17 and 24. What is its variance?

A: Given: n=3 The mean of the data is obtained as below: Mean=∑xn=13+17+243=543=18 The mean is 18.

Q: In a series of 5 observations, the values of mean and variance are 4.4 and 8.24. If three…

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Q: Find the variance of the data

A: a) given data : -3,-2,-1,0,1,2,3,4

Q: I asked a sample of SCOB instructors how many football games they watched a particular weekend and…

A: From the provided information, The data values are as follow: 0, 3, 4, 1 Sample size (n) = 4

Q: 80% of a patient with a certain disease will be successfully treated with a new medical treatment.…

A: According to the given information, We have Probability = 80%=0.80Sample size = 40

Q: Calculate the variance products sold per store using this sample data 0, 77, 38, -5, 44, 62

A: Given data is,0, 77, 38, -5 , 44,  62sample size(n)=6

Q: Find and provide the solution of sample mean, sample median, sample mode, and sample variance of the…

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Q: 2. Report the statistical results for a three sets of data in APA style.

A: The statistical results for a  sets of data in APA style must be reported.

Q: If 50 and 70 are the two elements of a population data set and their z-scores are -2 and 3,…

A: For  X=50, Y=70  Z score= -2 and 3 for point X and Y

Q: . A random sample {3, 5, 10, 16} is taken from a population. Find the sample variance. b. A random…

A: Variance is measure of dispersion. This indicates that how much the data points are deviate from the…

Q: Find the variance of X X: 73,51,73,182,45,90,111

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Q: In a basketball game, a player monitors the minutes he was on the court for the whole game: 7, 10,…

A:

Q: A school is sending 15 children to a camp. If 30% of the children in the school are first graders,…

A: The question is about binomial distribution Given : Randomly selected no. of children ( n ) = 15…

Q: In a 25-Question multiple-choice, there are five possible answers of which one is correct. Let X:…

A: X=number of correct answers  n=number of trials=25 p=probability of success= 1/5 =0.2 [because each…

Q: A report from the National Center for Health Statistics for 2010 showed that 20% of the adult…

A: The objective of this question is to find the average number of adult smokers in a sample of 25…

Q: If it is known that the percentage of successful students is 75%, and you take a sample of 15…

A: Givenp=0.75n=15Let "x" be the no.of successful bears x~Binomial(n=15,p=0.75)P(X=x)=(nx)(p)x(1-p)n-x…

Q: What formula is used to calculate the sample variance?

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Q: The number of minutes spent by 15 AGM airline passengers "checking in" are as follows: 9 8 10 10 6…

A: Given: x 9 8 10 10 6 5 15 7 13 11 7 12 8 10 10 Sample sizen=15

Q: study found that 1.21% of Social Security recipients are too young to vote. If 800 Social Security…

A: Given that  A study found that 1.21% of Social Security recipients are too young to vote. P = 0.0121…

Q: 8. Two baseball player in your team has same mean number of score. Player 1 has higher variance than…

A: If two baseball players have the same mean number of scores, but different variances, it means that…

Q: If it is known that the percentage of successful students is 75%, and you take a sample of 15…

A: Given: The percentage of successful students is 75% Sample size n=15

Q: A. B. O n = 28, X = 118, s = 10.0 n=25, X = 112, S = 12.0 Find the variance of A and B

A: n=28 , x¯=118   ,   s=10.0

Q: 30% of students have a bank account. If 40 independent students are randomly selected. Find the…

A: given n = 40  p = 30% = 0.30

Q: Compute the population variance of the data: 16,18,23,21,17,16,24,23,9,17,11,16,22,10,15,14. A.…

A: σ2= ∑(xi-x¯)2n

Q: Describe about the All Possible Random Samples.

A: The random samples can be selected in the following methods: Simple random sampling: If a sample of…

Q: What is the variance of the following data( 1, 2, 3, 4, and 5)?

A: According to the given information in this question We need to calculate the value of variance

Q: How do you calculate the variance of a set of numbers?

A: Variance is a measure of how spread out a set of numbers is. To calculate the variance: Find the…

Q: find sample coefficient of variation   20.2,20.6,20.5,21.8,21.6,21.0,21.4,20.5,20.8,20.9,21.0

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Q: If 2% of the components produced by a machine are defective. What is the variance of the number of…

A: According to the question, Number of components, n=300 Probability to be defective p =0.02

Q: find smaple coeffcient of variation   4.1,4.2,.2,4.3,4.4,4.4,4.5,4.7,4.9

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Q: In order to estimate the length of wolves in a forest, 12 wolves are selected to be studied by some…

A: Given: Number of wolves (n) = 12 The length of wolves are 6.1, 4.94, 5.89, 5.3, 4.81, 5.73, 5.35,…

Q: Suppose bob flips a fair coin 100 times.Let X be the number of heads he gets.What is Variance of X?

A: For a fair coin the probability of getting head= 0.5X=number of headsn=sample size=100p=probability…

Q: A population of grades for a statistics class of six students is given below:   71,63,68,80,85,82…

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Q: If it is known that the percentage of successful students is 75%, and you take a sample of 15…

A: