(9 P)(7) = 0 %3D (p · q) (7) = [

Q: A new machine for your factory has a first cost of $200,000 and a useful life of 20 years. The…

A: The benefit-cost ratio is the ratio of the present value of the benefits and the present value of…

Q: 2. A tank contains 2,000 liters of brine. Brine containing 5N/liter of salt flows in at 10…

A: We will find out the initial concentration of the salt for the given problem.

Q: An epidemiologist is worried about the prevalence of the flu in East Vancouver and area. She will…

A: The smapleproprotion is caculated as: p = x/n=36/330 =0.1091   At a 95% confidence level, the z…

Q: For T-tests on related measures, my number of subjects is odd. How do I calculate the differential…

A: In such cases, you can turn to  Repeated measures ANOVA which can detect differences in mean scores…

Q: Find P(2 < X < 5) using the cumulative function given by

A: The P(a ⩽ X &lt; b) can be obtained using cumulative function as P(a ⩽ X &lt; b)= F(b) - F(a)

Q: he test of H0:  = 19 against Ha:  ≠ 19 based on an SRS of 15 observations from a Normal population…

A: Given: H0:μ=19 H1:μ ≠19 SRS = 15 T= -1.75

Q: (a) What is your expected profit from the warranty? (This answer will depend on C and r.) (b) If you…

A:

Q: My recent marketing idea, the Miracle Algae Growing Kit, has been remarkably successful, with…

A:

Q: f 4/9 of a 3rd-grade class are boys, what is the boy co girl ratio in this class?

A:

Q: Tf the value of coefficient of correlation between two series is +09 and its probable error is…

A:

Q: A) Of 2000 people exposed to a virus, 1000 get the disease caused by that virus and 200 die. What is…

A: I have solved First Question according to bartleby guideline, please provide the question 2…

Q: There are 500 students enrolled for MATH141 course in PMB and Howard college. A rumour starts to…

A: According to the given information,

Q: chi-square test for goodness of fit has df = 4. How many categories were used to classify the…

A: Given that ; chi-square test for goodness of fit has df = 4. By using the concept of chi- square…

Q: For what fraction of the simulated results is the difference in the precipitation rates for weekdays…

A: From the output the observed difference is -0.065.

Q: The equation below estimates the effect of race on the probability of mortgage denial, holding…

A:

Q: When you are going to use a two tail t test and the estimated power of your study is .20 (small),…

A: Given, Power = 0.20

Q: A factory produced Q(L)= 9L^(2/3) items each day, where L is the size of the labor force in…

A:

Q: (ii) If Y = e*² error in Y at x = 2, if the error in x = 0.002. = et" + 3x + 4x, find the percentage…

A:

Q: [D] If y = 3x – 6x2, find the percentage error in y at x = 1 if error in x is 0.05.

A:

Q: Diastolic blood pressure in adults is normally distributed with m = 80 mm Hg and s = 12 mm Hg. In a…

A: The probability that diastolic blood pressure below 70 mm Hg is,

Q: certain culture of bacteria, the rate of increase is proportional to the numberpresent. (a) If it is…

A: (a) Consider y as the number of bacteria at time t and the rate of change of bacteria can be written…

Q: What percentage of scores is between a z of ‐2 and a z of +2? Why is this important?

A: Use Empirical rule to solve it

Q: A business wish to invest Gh 20,000 in two enterprises do that the total returns for the year would…

A: Let he invests Gh x in the first enterprise. So he invested Gh (20000-x) in the second    Total…

Q: (-1)" Estimate E0 'n=2 n-yn accurate to within - of the true value.

A: The accuracy is the degree of measurement for which the measurement is close to the true value. The…

Q: a variance of 0.27. Test the company's claim at a = 0.05. n241

A: Given: The provided sample variance is s2 =0.27 and the sample size is given by n = 41. The…

Q: A researcher reports an F-ratio with df = 1, 24 for an independent-measures experiment. If all the…

A:

Q: 4. What is df? Why is it important to know the df for a t ratio? How would you calculate the df for…

A: Determine the degrees of freedom in the context of t -test. T test: The t test is used to check if…

Q: Since January 1, 1960, the population of Slim Chance has been described by the formula…

A: The objective is to find the rate at which the population changing on January 1, 1991.

Q: An investment of 6,000 grows at a rate of 4% for one year, then at a rate of 9% for three years.…

A: Investment amount = 6000 Rate of return for first year = 4% Rate of return for three years = 9% * 3…

Q: A nutritionist claims that the proportion of females who consume too much saturated fat is lower…

A:

Q: Is a value of r=0.75 from a sample of 100 more significant than a value of r=0.30 from a sample of…

A:

Q: m 2. From the data of Illustration 1, calculate the regression equations taking deviation of items…

A:

Q: How much of the total area would be to the right of 2 s.d. below the mean (i.e. x 2-2 s.d.)?

A: From the provided information, Using empirical rule, approximately 95% of the data lie within 2…

Q: The loss elimination ratio (LER) for the exponential loss model with mean = 10 when applying a…

A: 1): option (a) correct choice 2): option (c) correct choice

Q: What is the effective rate of interestequivalent to 5% converted (A)semiannually; (B) quarterly?

A: The annual interest rate is, 5%   Since, the interest rate function is linear with respect to the…

Q: d) Theth percentile corresponds to this score, which means that 299 is (Round to five decimal places…

A: Now finding the answer for (d) Given that the best score is 299 now we have to find percentile…

Q: Given the values in the table in the image attached, how do I find the value of r^2? Does the value…

A: 1) Coefficient of determination = r^2 =0.6923 2) The value suggest that the model is a somewhat…

Q: X has PDF f(x) = #/2 if0<x <2 0 otherwise What is the 17th percentile?

A:

Q: An ANOVA produces an F-ratio with df = 1, 34. Could the data have been analyzed with a t test? What…

A: The degrees of freedom for the F- ratio in an ANOVA  are defined as follows: df =k-1, n-k Here , K=…

Q: sample of n = 16 scores produces a t statistic of t = 2.00. If the sample is used to measure effect…

A:

Q: Is (∑i=2 Xi)/(n-1) a consistent and unbiased estimator of E(X)? Explain your result.

A: An estimator is said to be consistent if the estimates converges to the true value (that is being…

Q: For a whole life insurance of 1000 on (x) payable at the end of the year of death: (a) q= 0.045 and…

A: Given: SA=1000qx=0.045qx+1=0.062v=0.95Ax+2=0.4523

Q: A new insecticide is advertised to kill more than 95% roaches upon contact.  In a laboratory test,…

A: Given,   The sample proportion is,

Q: How to Compute t and p for the difference between means?

A:

Q: When no more than 110 units are produced, the cost of producing y units is given by C(x) C(x) =…

A: Given that, Average cost=C(x)  /  x

Q: A sample of ore is found to be 0.0022% gold and 0.059% silver. What is the percentage of matter in…

A: Given that: Percentage of gold in the ore = 0.0022% Percentage of silver in the ore = 0.059% Find…

Q: A factory produces bikes at a rate of 100 + 0.5t2 - 0.9t where t is in weeks, how many bikes were…

A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.