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Elden [556K]
3 years ago
10

The experimental probability of selecting music is 8 out of 50 students at DMS. Predict the probability of students selecting mu

sic if there were 250 students surveyed?
A
1/2

B
8/50

C
8/250

D
4/25
Mathematics
1 answer:
Kruka [31]3 years ago
6 0
The answer is b . 8/50
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Joyce's mother buys some shares of Company A on Day 0.
antoniya [11.8K]

Answer:

(i) 4000

(ii) $5.00

Step-by-step explanation:

Let no. of shares of Company A be X

Let share price of Company B on Day 7 be $y

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(i)

Consider Day 7:

4.60x - 2000y = 7400................ (1)

Consider Day 12:

4.80x - 5000(y-0.50) = -5800

4.80x - 5000y + 2500 = -5800

4.80x - 5000y = -8300............... (2)

(1)*2.5:

11.5x - 5000y = 18500................. (3)

(3)-(2):

11.5x - 4.80x - 5000y + 5000y = 18500 + 8300

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(ii)

Sub. x = 4000 into (1):

4.60(4000) - 2000y = 7400

-2000y = 7400 - 18400

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y = 5.5

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= $5.00

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Answer:

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Step-by-step explanation:

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