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gizmo_the_mogwai [7]
4 years ago
13

(please help me by explaing)

Mathematics
1 answer:
Vitek1552 [10]4 years ago
5 0

Answer:

Option A is the better option.

The better option would be to pick the slice of pie with a central angle of 1 radian as it is a bigger slice of pie than the 45° central angle pie.

Step-by-step explanation:

The best way to pick the better/bigger option is to convert the two angular measures into the same angular units.

a) 1 radian

2π radians = 360°

1 radian = (1×360°)/2π = 57.3°

b) 45°

360° = 2π radians

45° = (45°×2π)/360 = 0.785 radian

So,

57.3° > 45°

1 radian > 0.785 radian

Hence, it is advisable to pick the slice of pie with central angle of 1 radian as it is a bigger slice of pie than the slice of pie with central angle of 45°.

Hope this Helps!!!

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Please help with statistic 21
andrew11 [14]

Part A

Extend the table so that we have row and column totals as shown in the diagram below.

There are 986 accurate orders from all four restaurants combined, out of 1125 orders total. The probability of an accurate order is 986/1125. Selecting two such orders, with replacement, means we get a probability of

(986/1125)*(986/1125) = 0.7682 which is approximate.

Now to the question of independence vs dependence. It all comes down to this: Does the first selection affect the second selection? If so, then we have dependent events. Otherwise the events are independent. Because we put the first selection back (or replaced it with an equivalent order), this means the first selection does not alter the second selection. The two selections effectively exists in their own separate universe so to speak.

<h3>Answer:  The probability is <u>0.7682</u> and the events <u>are</u> independent</h3>

============================================================

Part B

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Note the second fraction has each term drop by 1.

The probability of picking two accurate orders, when replacement is not made, is (986/1125)*(985/1124) = 0.7681 approximately

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3 years ago
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6 0
3 years ago
Someone help me asap
leva [86]

Answer:

The correct answer is – 1/2

6 0
3 years ago
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