Determine whether the variable is qualitative or quantitative. Gender Is the variable qualitative or quantitative? OA. The variable is quantitative because it is an attribute characteristic. B. The variable is quantitative because it is a numerical measure. C. The variable is qualitative because it is a numerical measure. D. The variable is qualitative because it is an attribute characteristic.

Q: A particular fruit's weights are normally distributed, with a mean of 3/1 grams and a standard…

A: given data normal distribution μ=371σ=11P(386<x<397)=?

Q: The manufacturer of an airport baggage scanning machine claims it can handle an average of 560 bags…

A: Here, mean is 538, standard deviation is 50. Sample is 16. Population mean is 560

Q: wo flower seeds are randomly selected from a package that contains 5 seeds for red flowers and 10…

A:

Q: Could you explain step by step the solution? Thank you.

A: From the question : N=20 computers p(virus enter) = 0.4 Now :  q(virus does not enter)= 1- p = 1-0.4…

Q: The probability of flu symptoms for a person not receiving any treatment is 0.024. In a clinical…

A: Given information: The probability of flu symptoms for a person not receiving any treatment is…

Q: 2. Classify the nature of each of the following statements as inferential or descriptive. a) A…

A: Descriptive Statistics : In descriptive statistics we summarize the characteristics  of the data…

Q: The table below gives the list price and the number of bids received for five randomly selected…

A: Obtain the value of estimated slope.   The value of slope is obtained below as follows:   From the…

Q: You have completed 1000 simulation trials, and determined that the average profit per unit was $6.83…

A:

Q: A manufacturer claims that its compact fluorescent bulbs contain an average of 1.1 mg of mercury.…

A: given data  claim: μ= 1.1 mg two tailed test. find null and alternative hypothesis.

Q: 5. Below is a histogram showing the distributions of exam scores from two different statistics…

A: Introduction: It is required to compare the two distributions represented by the two histograms.

Q: 3. Prove the following identities for Binomial Coefficients (by using the factorials) A. (1) = n B.…

A: We know that ,Cr=n!(n-r)!×r!nand r!=r(r-1)(r-2)........×2×1

Q: ng continuity correction, probability of getting greater than 60 successes. P(x=60) P(x>60)…

A: Continuity correction is useful when a continuous probability distribution like normal distribution…

Q: 13. Suppose a data set contains distinct value and its distribution is skewed to the right. What…

A: Skewed to the right : Mode> median> mean.

Q: 13.36 (EX) Pregnancy lengths 2/2: What is the probability that the average pregnancy length exceeds…

A: The given mean of the sampling distribution is 266 and standard deviation is 4.

Q: Refer to Exhibit 10-30. What is the distribution of the test statistic in this problem? Chi Square…

A: Assumptions for t distribution are given below: Samples are independently and randomly selected…

Q: Two cards are drawn without replacement from a well-shuffled standard 52-card deck of  playing…

A: From the provided information, Total cards in standard deck = 52 Number of face cards = 12 Total Ace…

Q: The real risk-free rate (r*) is 2.8% and is expected to remain constant. Inflation is expected to be…

A:

Q: In a survey of 1461 ​people, 976 people said they voted in a recent presidential election. Voting…

A: Given Information: Sample size n=1461 Out of which x=976 people said they voted in a recent…

Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 270 days…

A: Given that  Mean = M = 270 , Standard deviation = SD = 16

Q: Exhibit 10-19 Two major automobile manufacturers have produced compact cars with the same size…

A: Hypothesis : A statement about the parameters of the probability distribution. t-Test is used when…

Q: 1. The dependent variable 2. The independent variable (s) 3. The Least Square Method 4. Scatter…

A: The regression equation: Y = a + bX Where Y is the dependent variable. (Response) X is the…

Q: Assume that the traffic to the web site of Smiley’s People, Inc., which sells customized T-shirts,…

A:

Q: A client’s orders are growing consistently at x% per year.     A) If three years from now orders…

A: It is related to compound interest : A=P(1+ r/100)n   A = amount after n years  P= principal amount…

Q: With a = .05, complete step 4 of the hypothesis testing procedure. What decision should the…

A: A test for making a claim about the population means is the  t-test for two means with unknown…

Q: Would observations or interviews be more appropriate to research the following topic? What motivates…

A: Topic : What motivates drug users to Stop using drugs

Q: In the early 2000s, ABC Mining Company implemented new safety guidelines. Prior to these new…

A: Here we are to test the null hypothesis: H0 : the distribution of proportion of accident is same as…

Q: When a scientist conducted a genetics experiments with​ peas, one sample of offspring consisted of…

A: Given: There is 34=0.75 probability that a pea will have a red​ flower. Sample size n=905

Q: Funding for many schools comes from taxes based on assessed values of local properties. People's…

A:

Q: An article in the ACI Materials Journal (Vol. 84, 1987, pp. 213-216) describes several experiments…

A:

Q: 7. Suppose you have a bin of Tennis Balls, 60 are Penn brand and 40 are Wilson brand. You want to…

A: Given: Number of Penn brands = 60 Number of Wilson brands = 40 Sample size n = 9 Formula Used:…

Q: 1. Use the table below to find each prob 0-4 5-9 Employees years of service Males Females Total 20…

A: The given contingency table is,   (h) The probability of male given that between 5 to 9 years of…

Q: alugmo ( Past records for the Victory Boulevard Medical Center indicate that at any given time (when…

A: x P(X) 0 0.03 1 0.05 2 0.08 3 0.15 4 0.23 5 0.24 6 0.22

Q: Finding a small value of the p-value (less than 5%)   Group of answer choices 1. Indicates evidence…

A: Here, level of significance is 5% and p value is less than level of significance.

Q: The amount of soda a dispensing machine pours into a 12 ounce can of soda follows a normal…

A: given data normal distribution σ = 0.14more than  12.35 ounces of soda poured into it causes a spill…

Q: Suppose IQ scores are normally distribut a mean of 100 and a standard deviation What is the…

A: Solution:  Let X be the IQ scores are normally distributed with mean 100 and standard deviation 15.…

Q: In the Mother and Child Posyandu during the past month, there were children under five who came from…

A:

Q: In a research report, Richard H. Weindruch of the UCLA Medical School claims that mice with an…

A: The question is about hypo. testing Given : Popl. mean life span of mice ( μ ) = 40 months Randomly…

Q: Can movie rental revenue be predicted? A movie studio wishes to determine the relationship between…

A:

Q: You want to obtain a sample to estimate how much parents spend on their kids birthday parties. Based…

A: Given; population standard deviation(σ) = 42.7 dollars margin of error(E) = 5 dollars confidence…

Q: Would observations or interviews be more appropriate to research the following topic? How…

A: Observations : where data can be observed, observations used.  Interviews : where a particular case…

Q: You want to make a confidence interval for the true average price of calculators in Gainesville. A…

A:

Q: What is the probability of finding an H2O based compound with a blue label in a storage facility of…

A: Probability is the measure of likelihood of an event happening. Event includes all the possible…

Q: You pick up your iPhone to send your best friend a text and the iPhone is not working; the screen is…

A: Here, hypothesis testing process. Theory, experiment....... Conclusion. We will arrange in order.

Q: Given the following probability distribution for the random variable x, what is the probability that…

A: x p(x) 0 a 1 0.23 2 0.08 3 0.04 4 0.32 5 0.17

Q: Assuming that a 15:3:1 demerit weighting system is used, determine the central line and control…

A:

Q: In how many ways can we select a committee of 8 people out of 10 people? please show work

A: GivenTotal no.of people(n)=10No.of people used to form a committee(r)=8

Q: Suppose the probability of winning a blackjack hand is .48. What is the probability that the first…

A: Given that Suppose the probability of winning a blackjack hand is 0.48  Then we have to find the…

Q: Calculate the variance for the following dataset:  15 17 17 5 5

A: given data(x): 15,17,17,5,5 number of observation(n) = 5 Now, x x2 15 225 17 289 17 289 5…

Q: Based on a sample of n = 28, the least-squares method was used to develop the prediction line ₁ = 8…

A:

Q: 2.52. Let Let X and N be random variables. Suppose that N is binomial B(M, q) and, given N, X is…

A: