subject
Mathematics, 15.12.2020 18:50 randy719

A popular restaurant chain advertises that it delivers orders within 30 minutes. Suppose the average delivery time for one restaurant is 27 minutes with a standard deviation of three minutes. One particular order delivery took 35 minutes. What is the z-score for this delivery time? –2.67
–1.67
1.67
2.67

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 16:30
Factor this polynomial completely x^2-64
Answers: 1
question
Mathematics, 21.06.2019 18:30
What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)
Answers: 1
question
Mathematics, 21.06.2019 22:20
(b) suppose that consolidated power decides to use a level of significance of α = .05, and suppose a random sample of 100 temperature readings is obtained. if the sample mean of the 100 temperature readings is x⎯⎯ = 60.990, test h0 versus ha and determine whether the power plant should be shut down and the cooling system repaired. perform the hypothesis test by using a critical value and a p-value. assume σ = 5. (round your z to 2 decimal places and p-value to 4 decimal places.)
Answers: 2
question
Mathematics, 21.06.2019 22:30
9.4.34  question   to estimate the height of a stone  figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the  square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a  meter?
Answers: 1
You know the right answer?
A popular restaurant chain advertises that it delivers orders within 30 minutes. Suppose the average...
Questions
question
Mathematics, 05.11.2020 09:10
question
English, 05.11.2020 09:10
question
Mathematics, 05.11.2020 09:10
Questions on the website: 13722359