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In-s [12.5K]
3 years ago
5

Can someone help me.. I’m about to cry- this stuff is due today

Mathematics
2 answers:
irga5000 [103]3 years ago
6 0

Answer:

a:   4

b:   1

c:   2

d:   3

e: 5)    -6a - 48

f:  6)     4 + 36x

g: 7)    -30n + 42

h: 8)    18m + 20

i:  9)    32 + 24n

j:  10)   -8b - 32

I hope this helped! Once you get the hang of distributive property, it becomes a lot easier :)

*coughcough* brainliest please, I'm trying to rank up

snow_tiger [21]3 years ago
5 0

Answer:

For 5 - 10 it would be

-6a - 48

4 + 36x

-30n + 42

18m + 20

32 + 24n

-8b - 32

For numbers 1, 3, and 4

1. is b

2. is c

3. is d

4. a

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Answer:

z(s)  is in the rejection zone , therefore we reject H₀

We have enough evidence to claim the proportion of individuals who attended college and believe in extraterrestrials is bigger than 37%

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We have a prortion test.

P₀  =  37 %         P₀  = 0,37

sample size  =  n  =  100

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One tail-test  (right tail) our case is to show if sample give enough information to determine if proportion of individual who attended college is higher than the proportion found by Harper´s index.

1.-Hypothesis:

H₀      null hypothesis                        P₀  =  0,37

Hₐ  alternative hypothesis                P₀  >  0,37

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3.-Compute of z(s)

z(s)  =  [  P  -  P₀  ]  /√(P₀Q₀/n) ]  

z(s)  =  [ (  0,47  -  0,37  ) /  √0.37*0,63/100

z(s)  = 0,1 /√0,2331/100     ⇒   z(s)  = 0,1 /0,048

z(s)  = 2.08

4.-Compare  z(s)   and  z(c)

z(s) > z(c)        2.08  > 1.64

5.-Decision:

z(s)  is in the rejection zone , therefore we reject H₀

We have enough evidence to claim the proportion of individuals who attended college and believe in extraterrestrials is bigger than 37%

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