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ICE Princess25 [194]
3 years ago
12

Given lines l, m and n are all parallel and cut by two transversal lines, find the value

Mathematics
1 answer:
Alina [70]3 years ago
7 0

Answer:

how many people white chocolate only i'm question is seventeen

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What is 10.4 as a mixed number in simplest form?
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The object of a popular carnival game is to roll a ball up an incline into regions with different
ELEN [110]

The expected value is the mean of the overall observed value or random value. In other words, it is the average of the observed values.

The expected value, E(x) of the given observation is 185

The given parameters can be represented as:

\begin{array}{cccc}x & {100} & {200} & {300} \ \\ P(x) & {40\%} & {35\%} & {25\%} \ \end{array}

The following formula calculates the expected value:

E(x) =\sum x * P(x)

So, we have:

E(x) = 100 * 40\% + 200 * 35\% + 300 * 25\%

E(x) = 40 + 70 + 75

E(x) = 185

Read more at:

brainly.com/question/16726343

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3 years ago
Alan takes 12 minutes to jog 1 kilometer. How many seconds does Alan take to jog 1 kilometer?
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A certain insecticide kills 70% of all insects in laboratory experiments. A sample of 8 insects is exposed to the insecticide in
xeze [42]

Answer:

19.77% probability that exactly one insect will survive

Step-by-step explanation:

For each insect, there are only two possible outcomes. Either they survive, or they do not. The probability of an insect surviving is independent of other insects. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

A certain insecticide kills 70% of all insects in laboratory experiments

So 100 - 70 = 30% survive, which means that p = 0.3

A sample of 8 insects is exposed to the insecticide in a particular experiment.

This means that n = 8

What is the probability that exactly one insect will survive?

This is P(X = 1).

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 1) = C_{8,1}.(0.3)^{1}.(0.7)^{7} = 0.1977

19.77% probability that exactly one insect will survive

6 0
3 years ago
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