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3 years ago

Candidate A received 15,000 fewer votes than

Mathematics

1 answer:

marissa [1.9K]3 years ago

4 0

Answer:

140,000 that is your answer

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When radioactive substances decay, the amount remaining will form a geometric sequence when measured over constant intervals of

svetoff [14.1K]

I am not sure because there is no info about what is rate of decay
I assume if there is rate of decay is constant every hour then 0-2 it is
It 1/4th
So for 1st hour it is 933 gram

6 0

3 years ago

4. The random variable x is the number of occurrences of an event over an interval of ten minutes. It can be assumed that the pr

AnnZ [28]

Answer:

a) We have the mean number of events is interval(5.3 events in 10 minutes), which constitutes the Poisson probability distribution.

b) 5.3

c) 5.3

Step-by-step explanation:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

$P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}$

In which

x is the number of sucesses

e = 2.71828 is the Euler number

$\mu$ is the mean in the given time interval.

a. What probability distributions' properties is this?

We have the mean number of events is interval(5.3 events in 10 minutes), which constitutes the Poisson probability distribution.

b. What is the expected value of the random variable x?

It is known that the mean number of occurrences in ten minutes is 5.3.

So the mean is $\mu = 5.3$

c. What is the variance of the random variable x?

In the Poisson probability distribution, the variance is the same as the mean. So the variance is 5.3.

5 0

3 years ago

Find the quotient and remainder for 52 divided by 8

Vinil7 [7]

<span>The quotient is 6 and remainder is 6, because 8 goes into 52 6 times and that equals 48. Since 52-48=4, the remainder is 4.</span>

4 0

3 years ago

Read 2 more answers

The diameter of a circle is 9 centimeters. Find the area to the nearest tenth.

Umnica [9.8K]

Answer:

63.6 square cm

Step-by-step explanation:

$d = 9 \: cm \implies \: r = 4.5 \: cm \\ area \: of \: circle \\ = \pi {r}^{2} \\ = 3.14 \times ( {4.5})^{2} \\ = 3.14 \times 20.25 \\ = 63.585 \\ = 63.6 \: {cm}^{2} \\$

8 0

3 years ago

Identify the range of the function. A) (2, 8) B) [2, 8] C) (−5, 9) D) [−5, 9]

Ivanshal [37]

Answer:

The answer is "Option A"

Step-by-step explanation:

The domain is the collection of the value, which belongs to the separate variable (horizontal axis). So, to find a region with a graph, it must search for the function, which starts and end. And at all these levels we are searching at x-values.

Its starting point is (2,9) and the ending point is (8,3). Therefore, x= 2 to x=8 is the domain.

5 0

4 years ago