#14 Camping: Cost of a Sleeping Bag How much does a sleeping bag cost? Let's say youwant a sleeping bag that should keep you warm in temperatures from 20°F to 45°F. A randomsample of prices ($) for sleeping bags in this temperature range was taken and given below.801059095239010070100120751103730100105601209560(a) Use a calculator with mean and sample standard deviation keys to verify that= $83.75 and s = $28.97.(b) Using the given data as representative of the population of prices of all summer sleepingbags, find a 90% confidence interval for the mean price u of all summer sleeping bags.(c) What does the confidence interval mean in the context of this problem?

a) sample size (n) = 20 sample mean (x̄) = Σx /n = 1665/20…

Answered: 14 Camping: Cost of a Sleeping Bag How…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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QUESTION 3 A wholesaler must decide how many computers to purchase before they know how many they will be able to sell to local retailers. The wholesaler purchases the computers for S300 each and sells them to retailers for $350 each. If the wholesaler is not able to sell them to a retailer then the wholesaler can return them to the manufacturer (for a refund of the S300 cost), but the wholesaler must pay $40 per computer that it returns to the manufacturer (in shipping, handling, and insurance costs). The following probability distribution describes the number of computers the wholesaler may possibly sell to local retailers: there is a 21% chance that they will sell 900 computers, a 56% chance that they will sell 1200 computers; otherwise, they will sell 1500 computers. What is the expected number of computers the wholesaler will sell? (please round your answer to 1 decimal place)
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14 Camping: Cost of a Sleeping Bag How much does a sleeping rant a sleeping bag that should keep you warm in temperatures from ample of prices ($) for sleeping bags in this temperature range was 80 90 100 120 75 37 30 105 95 105 60 110 120 95