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ipn [44]
3 years ago
8

Which teacher exhibited the most variable year to year performance over this 5 year span?

Mathematics
1 answer:
kupik [55]3 years ago
3 0
Please provide the graph that represents the performance of the teacher over the span of 5 years.
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A grocery store produce manager is told by a wholesaler that the apples in a large shipment have a mean weight of 6 ounces and a
Andru [333]

Answer:

W= 5.744

Step-by-step explanation:

given that a grocery store produce manager is told by a wholesaler that the apples in a large shipment have a mean weight of 6 ounces and a standard deviation of 1.4 ounces

Sample size n= 49

Margin of error = 0.10 (10% risk )

Let us assume X no of apples having mean weight of 6 oz is N(6,1.4)

Then sample mean will be normal with (6, 1.4/7) = (6,0.2)

(Because sample mean follows normal with std error as std dev /sqrt of sample size)

Now required probability <0.10

i.e.P(\bar X

Since x bar is normal we find z score for

P(Z

From std normal distribution table we find that z = 1.28

Corresponding X score =

W= 6-0.2*1.28\\W= 6-0.256 = 5.744

7 0
3 years ago
A graph has a constant of proportionality of 7.2. Let y represent minutes and x represent miles.
vodka [1.7K]

Answer:

  7.2 minutes per mile

Step-by-step explanation:

If we assume the description means y = 7.2x, the rate 7.2 means each increase in x of 1 mile results in an increase in y of 7.2 minutes. That is the rate is 7.2 minutes per mile.

4 0
3 years ago
Need answer to 13+p/3=-4​
trasher [3.6K]

Answer:

Step-by-step explanation:

13+p/3=-4

P/3=-4-13

p=3(-4-13)

p=-13-39

p=-52

8 0
3 years ago
Read 2 more answers
Complete each statement in the steps to solve x2 – 4x + 3 = 0 using the process of completing the square.
My name is Ann [436]
(x - 3)(x - 1)

x = 3 
or 
x = 1
8 0
3 years ago
A gardener grows sunflowers and records the heights, y , in centimeters, each day, x . The table shows the gardener’s data.
PolarNik [594]

Answer:

Explanation is in a file

Step-by-step explanation:

5 0
2 years ago
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