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enot [183]
3 years ago
13

C(4,-1),D(4,-5),E(2,-3)

Mathematics
1 answer:
Anton [14]3 years ago
3 0
Is it Unfinished?????
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The? ___________ is a value used in making a decision about the null hypothesis and is found by converting the sample statistic
maks197457 [2]
The test statistic <span>is a value used in making a decision about the null hypothesis and is found by converting the sample statistic to a score with the assumption that the null hypothesis is true. </span>
6 0
3 years ago
Sue has 20 biscuits in a tin There are 12 plain biscuits 5 chocolate biscuits 3 currant biscuits Sue takes at 2 random biscuits
vagabundo [1.1K]

Answer:

111 / 190

Step-by-step explanation:

Total biscuits = 20

Plain, P = 12

Chocolate, C = 5

Currant, K = 3

Assume without replacement :

Probability that biscuit are of the same type :

P(plain) :

12 / 20 * 11 / 19 = 132 / 380

P(chocolate) :

5/ 20 * 4 / 19 = 20/ 380

P(currant) :

3/20 * 2 /19 = 6 / 380

Therefore,

Probability that biscuit is of the same type :

P(plain) + P(chocolate) + P(currant)

132/380 + 20/380 + 6/380

158 / 380 = 79 / 190

Therefore, probability that biscuit aren't of the same type :

1 - P(biscuit is of same type)

1 - 79/190

(190 - 79) / 190

111 / 190

7 0
2 years ago
Simplify.055-(0.9-0.8).4
tiny-mole [99]
54.96 Hope this helps
7 0
3 years ago
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What is the formula for finding volume in a prism<br>​
egoroff_w [7]

Answer:

Well it’s volume formula for prism it’s V = Bh

Step-by-step explanation:

3 0
3 years ago
A line with a slope of - 8 passes through the points ( - 1, z) and ( - 2, 7). What is the value of z?
ikadub [295]

Answer:

z = -1

Step-by-step explanation:

7 - z / -2 - (-1)

7 - z / -2+1

7 - z / -1

-7 +z = -8

z = -1

to check the work

(-1,-1) (-2,7)

7 + 1 / -2 + 1

8 / -1

= -8

4 0
3 years ago
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