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geniusboy [140]
3 years ago
11

Find the probability of rolling a 2 or a 5 on a standard dice. *

Mathematics
1 answer:
romanna [79]3 years ago
3 0
The probability of a 2 or a 5 is 50%
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Less than 75% of workers got their job through internet resume sites. A researcher thinks it has increased.
Vera_Pavlovna [14]

Answer:

H0 : p = 0.75  against    H1: p > 0.75  One tailed test.

Step-by-step explanation:

We state our null and alternative hypotheses as

H0 : p = 0.75  against    H1: p > 0.75  One tailed test.

In this case H0 is not defined as p≤ 0.75 because the acceptance and rejection regions cannot be set up. Therefore we take the exact value of H0 : p= 0.75.

The claim is that the probability of the workers getting their job through the internet is greater than 75% or 0.75.

As H0 is supposed to be less than we choose H1 to be greater than equality.

5 0
3 years ago
What is the value of x?<br><br> 3 • (–4) • x = 0<br><br> x =
dedylja [7]
Multiply out
remember thatn (-) times (+)=(-) so
+3 times -4=-12
-12x=0
the only number that will work is 0 since 0 times anything=0

x=0
5 0
3 years ago
Read 2 more answers
Assume that y varies with x. when y=6, x=2/3. what is x when y=12? NEED QUICK!!
liraira [26]

Answer:

4/3

Step-by-step explanation:

5 0
3 years ago
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Write two equivalent rates for 3 breads made in 45 minutes.
Alex777 [14]

Answer:

1/15 ; 6/90

Step-by-step explanation:

\frac{3}{45}=\frac{1}{15} \\\\\frac{3}{45}=\frac{3*2}{45*2}=\frac{6}{90}

7 0
3 years ago
What are the x-coordinates of the solutions to this system of equations? x2 + y2 = 100 y = x + 2
kiruha [24]

Answer:

x = - 8, x = 6

Step-by-step explanation:

Given the 2 equations

x² + y² = 100 → (1)

y = x + 2 → (2)

Substitute y = x + 2 into (1)

x² + (x + 2)² = 100

x² + x² + 4x + 4 = 100

2x² + 4x + 4 = 100 ( subtract 100 from both sides )

2x² + 4x - 96 = 0 ( divide through by 2 )

x² + 2x - 48 = 0 ← in standard form

(x + 8)(x - 6) = 0 ← in factored form

Equate each factor to zero and solve for x

x + 8 = 0 ⇒ x = - 8

x - 6 = 0 ⇒ x = 6

6 0
3 years ago
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