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Serjik [45]
3 years ago
15

Help plz I will make u a barinllest

Mathematics
1 answer:
irakobra [83]3 years ago
6 0
A I believe a is correct
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Eva8 [605]

Answer:

Step-by-step explanation: I don’t know I just want my extra points

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If a distribution follows the binomial distribution with n = 40 and probability of success of 0.35, calculate the mean and varia
Anna71 [15]

Answer:

mean=14, variance=9.1

Step-by-step explanation:

for binomial distribution

n=number of outcomes

p=probability of succcess

q=probability of faliure

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mean=np

n=40

p=0.35

mean=40*0.35

mean=14

variance=npq

p+q=1

q=1-p

q=1-0.35

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3 years ago
What is the volume of a pyramid that is 15mm , 18mm , 21mm in cubic millimeters
Ugo [173]

Answer:

V=1890mm

Step-by-step explanation:

You must use its formula: which is

V=(Length x height x width) / 3

V=(15x18x21)/3

V=5670/3

V=1890mm

3 0
3 years ago
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What is 3(9-X)4+7 because im not really good at math
Alex_Xolod [135]

Answer:

115x-12x

Step-by-step explanation:

3(9-X) x 4+7

12(9-X)+7

108-12x +7

115-12x

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4 years ago
If P = {3,5,6} and Q = {4,5,6} <br>then p Q equals<br><br>​
stira [4]

Answer:

Step-by-step explanation:

Although I didn't get your question but I think you want to right intersection or union

PΠQ is equal to {5,6}

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7 0
3 years ago
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