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steposvetlana [31]
3 years ago
8

A company offered one half of its employees a bonus if the production of light bulbs increased by 20%. The other half of the emp

loyees was not offered a bonus. As the end of the month, production in the group that did not get the bonus offer increased by a mean of 15 and production in the bonus group increased by a mean of 10.
What is the correct order of steps to determine if the results are significant?
A. Randomly separate the employees' individual results into two groups.
B. Calculate the mean of each group.
C. Calculate the difference of the means.
D. Run the experiment many times.
E. Calculate the probability of a difference of 5.

Select one:
a. A, B, C, D, E
b. D, E, A, B, C
c. C, E, A, B, D
d. A, B, D, C, E
Mathematics
1 answer:
Katen [24]3 years ago
3 0
Answer:
c. C, E, A, B, D
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Part 1-  20+40(8)=

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Represent, the set of numbers between 5 to 50 when they are divided by 8 then the remainder is 3,It by description method, listi
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By descriptive method = Set A is a set of all natural numbers between 5 and 50 which gives remainder 3 when divided by 8.Listing method : A = { 11, 19, 27, 35, 43} and Set builder method : A = { x : x ∈ N, x = 8 c + 3 and 1 < c < 5

We are given that:

Number range 5 - 50

Remainder = 3 when the number is divided by 8

We need to find the sets of numbers between 5 to 50 when they are divided by 8 gives remainder 3 by description method, listing method and set builder method.

Let the set be A

Descriptive Method

Set A is a set of all natural numbers between 5 and 50 which gives remainder 3 when divided by 8.

Listing Method

A = { 11, 19, 27, 35, 43}

Set Builder Method

A = { x : x ∈ N, x = 8 c + 3 and 1 < c < 5

Therefore, we get that, by descriptive method = Set A is a set of all natural numbers between 5 and 50 which gives remainder 3 when divided by 8.Listing method : A = { 11, 19, 27, 35, 43} and Set builder method : A = { x : x ∈ N, x = 8 c + 3 and 1 < c < 5

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2 years ago
Write the equation for a hyperbola that passes through the point (‐ 2, ‐ 3)?
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The equation of hyperbola can vary much from simple to complex equation. Since the information given from this question is not many, the equation probably was the simple one. 
Assuming that the hyperbola formula is y= x^2 +b, then the value of b where x=-2 and y=-3 would be:
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-3= (-2)^2 +b
-3= 4+b
b=-3 -4= -7

The equation would be: y= x^2 -7
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