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3 years ago

The null and alternative hypothesis

Mathematics

1 answer:

frez [133]3 years ago

6 0

The null hypothesis states that a population parameter is equal to a value. The null hypothesis is often an initial claim that researchers specify using previous research or knowledge. ... The alternative hypothesis is what you might believe to be true or hope to prove true.

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anastassius [24]

Answer:

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Step-by-step explanation:

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3 years ago

Which statement is true? A.27/19<11/30 B.17/31>19/14 C.16/26>30/31 D.35/30<22/12

Mrac [35]

A. $\frac{27}{19}$

To find greater than or smaller than relation, we multiply the terms like (numerator of L.H.S with denominator of R.H.S and put the value on the left side. Then multiply the denominator of L.H.S with numerator of R.H.S and put the value on right side. Now compare the digits.)

So, solving A, we get 810<209 ... This is false

B. $\frac{17}{31}>\frac{19}{14}$

= 238>589 ..... This is false

C. $\frac{16}{26}>\frac{30}{31}$

= 496>780 .... This is false

D. $\frac{35}{30}$

= 420<660 ..... This is true

Hence, option D is true.

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4 years ago

All of the picture please help

Sonbull [250]

A. She needs 16 quarter cups of milk.
B. Equation: 4 cups multiplied by 4(four quarter cups per cup) = 16 quarter cups

Hope this helps!!

5 0

3 years ago

What is the slope of y = - 1 + 3x

mihalych1998 [28]

Answer:

Slope m = 3

General Formulas and Concepts:

Algebra I

Slope-Intercept Form: y = mx + b

m - slope
b - y-intercept

Step-by-step explanation:

Step 1: Define

y = -1 + 3x

Step 2: Rewrite

Rearrange

y = 3x - 1

Step 3: Break Function

Identify parts

Slope m = 3

y-intercept b = -1

8 0

3 years ago

Factor the expression (30x+15)

lions [1.4K]

Answer: 3(10x+5)

Step-by-step explanation: 30/3=10x + 15/3=5

7 0

3 years ago