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geniusboy [140]
3 years ago
11

Pls help me. i'm so sorry:( this is the last question

Mathematics
1 answer:
agasfer [191]3 years ago
7 0

Answer:

7.2 X 2000 = 14400 pounds

5/8 = 0.625, 0.625 X 2000 = 1250 pounds

14400 + 1250 + 8500 = 24150 pounds

24150/2000 = 12.08 tons

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pentagon [3]

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scZoUnD [109]

Answer:

The probability that they will teach different courses is \frac{2}{3}.

Step-by-step explanation:

Sample space is a set of all possible outcomes of an experiment.

In this case we will write the sample space in the form (x, y).

Here <em>x</em> represents the course taught by the first part-time instructor and <em>y</em> represents the course taught by the second part-time instructor.

Denote every course by their first letter.

The sample space is as follows:

S = {(P, P), (P, I), (P, S), (I, P), (I, I), (I, S), (S, P), (S, I) and (S, S)}

The outcomes where the the instructors will teach different courses are:

s = {(P, I), (P, S), (I, P),(I, S), (S, P) and (S, I)}

The probability of an events <em>E</em> is the ratio of the number of favorable outcomes to the total number of outcomes.

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Compute the probability that they will teach different courses as follows:

P(\text{Different courses})=\frac{n(s)}{n(S)}=\frac{6}{9}=\frac{2}{3}

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