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sertanlavr [38]
3 years ago
5

− 2/3 ​ a+ 6 /5 ​ a− 6 /1

Mathematics
1 answer:
muminat3 years ago
7 0

Answer:

=8/15a−6

Step-by-step explanation:

−2/3a+6/5a−6/1=−2/3a+6/5a+−6

=−2/3a+6/5a+−6=(−2/3a+6/5a)+(−6)=8/15a+−6

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A corporation has 11 manufacturing plants. Of these, seven are domestic and four are outside the United States. Each year a perf
nikdorinn [45]

Answer:

The probability that a performance evaluation will include at least one plant outside the United States is 0.836.

Step-by-step explanation:

Total plants = 11

Domestic plants = 7

Outside the US plants = 4

Suppose X is the number of plants outside the US which are selected for the performance evaluation. We need to compute the probability that at least 1 out of the 4 plants selected are outside the United States i.e. P(X≥1). To compute this, we will use the binomial distribution formula:

P(X=x) = ⁿCₓ pˣ qⁿ⁻ˣ

where n = total no. of trials

           x = no. of successful trials

           p = probability of success

           q = probability of failure

Here we have n=4, p=4/11 and q=7/11

P(X≥1) = 1 - P(X<1)

          = 1 - P(X=0)

          = 1 - ⁴C₀ * (4/11)⁰ * (7/11)⁴⁻⁰

          = 1 - 0.16399

P(X≥1) = 0.836

The probability that a performance evaluation will include at least one plant outside the United States is 0.836.

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2 years ago
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Answer:

The median is 22

Step-by-step explanation:

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