Mathematics, 29.06.2019 04:30 lalaween098
Kavita has been assigned the task of studying the average customer receipt for a branch of a major restaurant chain. the average receipt for the chain is $72.00 with a standard deviation of $11.00. the branch she is studying has an average bill of $67.00 for the last 40 receipts. she needs to know if this falls below the chain’s average. she will use a 1% level for significance because she does not want to inadvertently report the restaurants income as below average. upper-tail values a: 5% 2.5% 1% critical z-values: 1.65 1.96 2.58 which choice depicts the result for kavita’s hypothesis test? a. she should reject h0 : µ = 72 and accept ha : µ < 72. b. she should reject h0 : µ = 72 and accept ha : µ not equal to 72. c. she should accept h0 : µ = 72 and reject ha : µ not equal to 72. d. she should reject ha : µ < 72 but cannot accept h0 : µ = 72.
Answers: 1
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What are the possible rational zeros of [tex]f(x) = x^4+2x^3-3x^2-4x+18[/tex]
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Abag of jelly beans contain 13 pink, green, 20 yellow, 10 black, 7 red, and 11 orange jelly beans. approximately what percent of the jelly beans are pink and yellow?
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The krasnapolski is a top-of-the-line hotel in amsterdam, the netherlands. among their many services, they rent bicycles to guests. the bicycle checkout is open 24 hours per day 7 days per week and has 50 bicycles on hand. on average, 10 guests request a bicycle each day, arriving completely randomly at all times of the day during the spring and summer seasons. guests keep bicycles for four days on average, with a standard deviation of two days. how long does a guest on average have to wait for a bike? a. approximately 24 hours b. approximately 0.033 hours c. approximately 4 days d. approximately 47 minutes
Answers: 3
Kavita has been assigned the task of studying the average customer receipt for a branch of a major r...
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