Problem #34A sample of 100 cans of coffee showed an average weight of 13 ounces. The populationstandard deviation is 0.8 ounces. Construct a 95.44% confidence interval for the mean ofthe population.

Sample Size (n) = 100 cans Average weight (X) = 13 ounces 95.44% Z score (From Z distribution table)…

Answered: Problem #34 A sample of 100 cans of…

Essentials Of Investments

11th Edition

ISBN:9781260013924

Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.

Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.

Chapter1: Investments: Background And Issues

Section: Chapter Questions

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Chapter 08 Problem 8-26 LO 8-6 Use the sample sizes and the number of deviations determined below. Control Procedure 2 3 5% 10 % 5% 7% 2% 3 % Parameters Risk of incorrect acceptance Tolerable deviation rate Expected population deviation rate Sample size (using tables) Sample size (using IDEA) Results Number of deviations Sample size Sample deviation rate 1 5 % 4% 1 % Computed upper deviation rate using Tables 1-Sided upper limit using IDEA Auditor's conclusion 156 156 181 181 Does support Determine the sample deviation rate, the computed upper deviation rate, and the auditor's conclusion (i.e., testing results do or do not support operating effectiveness of the control) for each control procedure. (For Results, use Table 8-8 & Table 8-9 or IDEA) (Round your rates values to 1 decimal place.) 0 156✔ 0 2.0 ✓✔ 94 94 % % % 4 10% 8% 4% 98 98 X Answer is not complete. Control Procedure 2 Does not support 5 181✔ 2.8 6.9 ✓ % % % 3 Does not support 4 94✔ 4.3 8.7 3 333 % % % 4 Does support 3 98✔✔…
Returns Year X Y 12345 11% 18% 25 26 11 10 -18 10 -23 17 Using the returns shown above, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y. (Do not round intermediate calculations. Enter your average return and standard deviation answers as a percent rounded to 2 decimal places, e.g., 32.16, and round the variance answers to 5 decimal places, e.g., .16161.) X Y Average returns % % Variances Standard deviations % %
Use the following returns for X and Y. Returns Year x y 1 21.8% 26.4% 2 -16.8 -3.8 3 9.8 28.4 4 19.6 -14.6 5 4.8 32.4 a. Calculate the average returns for X and Y. (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) b. Calculate the variances for X and Y. (Do not round intermediate calculations and round your answers to 6 decimal places, e.g., 32.161616.) c. Calculate the standard deviations for X and Y. (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.)
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Year 123 2 4 5 Returns X 17% 20 -7 11 10 Y 20% 32 Average returns Variances Standard deviations - 18 15 22 Using the returns shown above, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y. (Do not round intermediate calculations. Enter your average return and standard deviation answers as a percent rounded to 2 decimal places, e.g., 32.16. Enter your variance answers rounded to 5 decimal places, e.g., .16161.) X % % Y % %
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Problem #34 A sample of 100 cans of coffee showed an average weight of 13 ounces. The population standard deviation is 0.8 ounces. Construct a 95.44% confidence interval for the mean of the population.