Answer:
Average consumption ( mean ) = 9
MOE = 4
Step-by-step explanation:
We know that
CI ( 5 ; 13 )
and CI [ μ - MOE ; μ + MOE ]
From the above relations we get
μ - MOE = 5
μ + MOE = 13
Adding member to member these two equations we get
2*μ = 18
μ = 9 and MOE = 13 - 9
MOE = 4
The true statement is that the grocery store has an 84% chance of selling more than 390 tomatoes in a week.
<h3>What is standard deviation?</h3>
The term standard deviation is used to describe the manner in which values are scattered around the mean value. This is a very important measure in statistics.
In this case, the true statement is that the grocery store has an 84% chance of selling more than 390 tomatoes in a week.
Learn more about standard deviation:brainly.com/question/16555520
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Answer:
987 ft.
Step-by-step explanation:
We can solve this with an equation.
Since she has 5 rolls of 99 feet long blue streamer, then she has 5*99=495 feet of blue streamer
Since she has 9 rolls of 88 feet long blue green, then she has 9*88=792 feet of blue green
To find the total, we can add them up and get 495+792=987
(420 + 144) / 6 =
564/6 =
$ 94.....each person paid $ 94