A decimal equivalent for -7/10

Mathematics

1 answer:

Anestetic [448]3 years ago

4 0

Answer:

0.7

Step-by-step explanation:

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Graph: y–3=1/2(x+2)

Mama L [17]

Answer:

Step-by-step explanation:

Solve the y

y -3 = 1/2(x + 2)

y = 1/2(x + 2) + 3 Add

Pick points that you wish to substitute for x values.

x = 0 x = 2 x = 4

y = 1/2(x + 2) + 3 y = 1/2(x + 2) + 3 y = 1/2(x + 2) + 3

y = 1/2(0 + 2) + 3 y = 1/2(2 + 2) + 3 y = 1/2(4 + 2) + 3

y = 1/2(2) + 3 y = 1/2(4) + 3 y = 1/2(6) + 3

y = 1 + 3 y = 2 + 3 y = 3 + 3

y = 4 y = 5 y = 6

Locate the following point on graph (x, y); (0, 4), (2, 5), (4, 6)

3 0

3 years ago

Need help with geometric distribution

Virty [35]

The image is kinda blurry, but from what I can gather, the notation in the attachment means

$p_X[x_k]\equiv\mathbb P(X=k)=\begin{cases}(1-p)^{k-1}p&\text{for }k=1,2,\ldots\\0&\text{otherwise}\end{cases}$

Then

a) $p_X[x_k\le4]\equiv\mathbb P(X\le4)=\mathbb P(X=1)+\mathbb P(X=2)+\mathbb P(X=3)+\mathbb P(X=4)$

b) $p_X[1$

c) $p_X[1\le x_k\le2]\equiv\mathbb P(1\le X\le2)=\mathbb P(X=1)+\mathbb P(X=2)$