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Alex
3 years ago
8

Please help on all of the questions due in 30 min

Mathematics
1 answer:
Brums [2.3K]3 years ago
3 0

Answer:

Q:4A ($30) * 0.85 = $25.50

Q:4B ($18) * 0.85 = $15.30

Q:4C ($24.80) * 0.85 = $21.08

Q5:

(For six pack): $2.10 (each) * 8 = $16.80

(For eight pack): 3.12 (each) * 6 = $18.72

8 of the 6 packs would be the better deal.

Q6 (A): Elena is 142.24 cm tall.

(Formula is multiply the inches by 2.54. So, 56 times 2.54 is 142.24)

Q6 (B): Elena is 1.4224 meters tall.

(Formula is divide inches by 39.37. So, 56 divided by 39.37 is 1.4224)

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Hitman42 [59]

Answer:

The probability of cured people in who took the remedy is 8/9.

Step-by-step explanation:

Success rate of the cold remedy = 88%

The number of people who took the remedy = 45

Now, 88% of 45 = \frac{88}{100}  \times 45 = 39.6

and 39.6 ≈ 40

So, out of 45 people, the remedy worked on total 40 people.

Now, let E: Event of people being cured by cold remedy

Favorable outcomes = 40

\textrm{Probability of Event E}  = \frac{\textrm{Total number of favorable outcomes}}{\textrm{Total outcomes}}

or, \textrm{Probability of people getting cured}  = \frac{\textrm{40}}{\textrm{45}}  = \frac{8}{9}

Hence, the probability of cured people in who took the remedy is 8/9.

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