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balandron [24]
3 years ago
8

Help meeeeee pleaseeee

Mathematics
1 answer:
Fofino [41]3 years ago
4 0
B I think hope this helps
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Suppose the manager of a gas station monitors how many bags of ice he sells daily along with recording the highest temperature e
Vlad1618 [11]

Our model is

\hat{y} = 2.17 x + -114.05

When x=82 degrees F,

\hat{y} = 2.17 (82) + -114.05 = 63.89

We round up to

Answer: 64 bags

Not sure why it says y^=34 in the question; I'm ignoring that.

The residual is the difference between the actual y and the predicted y,

e = y - \hat{y} = 66 - 64 = 2

Answer: 2

3 0
3 years ago
Find the midpoint of the 2 points (-2,-7) (10-5)
Inessa05 [86]

Answer:

(4,-6)

Step-by-step explanation:

3 0
4 years ago
Ammeters produced by a manufacturer are marketed under the specification that the standard deviation of gauge readings is no lar
AURORKA [14]

Answer:

0.101

Step-by-step explanation:

Given that :

Standard deviation, s = 0.2

Sample variance, s² = 0.0653

Sample size, n = 10

Population variance = σ² = 0.04

We use the Chi square distribution :

(n - 1)s² / σ²

For P(s² ≥ 0.065)

(n - 1)s² / σ² = (10 - 1)*0.0653 / 0.04

(n - 1)s² / σ² = 0.585 / 0.04 = 14.625

P(s² ≥ 14.625) = 0.101 ( chi squee calculator).

8 0
3 years ago
A 3. A card is pulled from a standard deck of cards.
dexar [7]
<h3>Answer:    4/13</h3>

Explanation:

There are 13 hearts, including the queen of hearts. Then there are 3 more queens to get us to 13+3 = 16 cards we're after.

There are 16 cards we want out of 52 total, so the probability is 16/52 = (4*4)/(4*13) = 4/13

3 0
2 years ago
Andrew used a pedometer to measure the
pychu [463]

Answer:

  13.25 mi

Step-by-step explanation:

The largest number on the list is 13.25. The greatest distance was 13.25 miles.

_____

In order from smallest to largest, the distances are ...

  4.9, 5.95, 8.9, 9.8, 13.25

8 0
3 years ago
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