The correct answer: 3rd answer.
Explanation: How I know is, a=4-2 is the missing length of the side of the length? Huh. What you must be asking well, a+?=? A=4 + C= a= 4-2

5 0

3 years ago

What is the distance between the y axis and the point (6,-3)

masha68 [24]

Answer:

6 units

Step-by-step explanation:

(6, -3) is 6 units towards the right of the y-axis

So, the shortest distance of (6, -3) from the y-axis is 6 units

3 0

4 years ago

If N = , r = , and n = , and assuming that X has a hypergeometric probability distribution, compute the following. Write your an

artcher [175]

Answer:

(a) The value of P (X = 2) is 0.3571.

(b) The value of P (X ≤ 1) is 0.5952.

Step-by-step explanation:

A Hypergeometric distribution is used to describe the probability distribution of x successes in n random draws from a population of size N that contains exactly r items that are considered as success. In this distribution each draw results in either a success or a failure.

The probability mass function of Hypergeometric distribution is:

$P(X=x)=\frac{{r\choose x}{N-r\choose n-x}}{{N\choose n}}$

Given:

N = 9

r = 3

n = 4

(a)

Compute the value of P (X = 2) as follows:

$P(X=2)=\frac{{3\choose 2}{9-3\choose 4-2}}{{9\choose 4}}=\frac{3\times 15}{126}=0.3571$

Thus, the value of P (X = 2) is 0.3571.

(b)

Compute the value of P (X ≤ 1) as follows:

P (X ≤ 1) = P (X = 0) + P (X = 1)

$=\frac{{3\choose 0}{9-3\choose 4-0}}{{9\choose 4}}+\frac{{3\choose 1}{9-3\choose 4-1}}{{9\choose 4}}\\=0.1190+0.4762\\=0.5952$

Thus, the value of P (X ≤ 1) is 0.5952.

4 0

3 years ago

Annie visits a redwood forest she is amazed to read that a certain tree trunk has a diameter of 25 feet what is the approximate

babunello [35]

Answer: 78.5 ft

Step-by-step explanation: 25 times 3.14

4 0

3 years ago