Mathematics, 18.06.2020 20:57, breanastone15
Information from a sample of 157 restaurant bills collected at the First Crush bistro is available in RestaurantTips. Two intervals are given below for the average tip left at a restaurant; one is a 90% confidence interval and one is a 99% confidence interval Interval A: 3.55 to 4.15 Interval B: 3.35 to 4.35
(a) which one is the 90% confidence interval? | Interv.. which one is the 99% confidence interval?
(b) One waitress generally waits on 20 tables in an average shift. Give a range for her expected daily tip revenue, using both 90% and 99% confidence intervals. Round your answers to the nearest integer.
Confidence level Confidence interval
90% 0.6 to 7.7
99% -1 to 7.7
Answers: 3
Mathematics, 22.06.2019 00:50, Maxwell8066
F. a fair coin is thrown in the air four times. if the coin lands with the head up on the first three tosses, what is the probability that the coin will land with the head up on the fourth toss? a. 0 b. 1/16 c. 1/8 d. 1/2
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Mathematics, 22.06.2019 01:00, isabellecannuli
Asmall book publisher knows that 26 books weigh 41 lbs. how much do 40 books weigh?
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Information from a sample of 157 restaurant bills collected at the First Crush bistro is available i...
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