anonymous
  • anonymous
The probability distribution of X is given in the table. Which statement is true?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
@rational
anonymous
  • anonymous
1 Attachment
rational
  • rational
where are the statements ?

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anonymous
  • anonymous
1 Attachment
rational
  • rational
start by finding the mean
anonymous
  • anonymous
.2?
rational
  • rational
how
rational
  • rational
to calculate the mean of distribution, simply multiply the value by corresponding probability then add up
rational
  • rational
|dw:1432820300274:dw|
rational
  • rational
multiply each of those pairs then add them
anonymous
  • anonymous
oh shoot. 1.8 sorry
rational
  • rational
try again
anonymous
  • anonymous
2.5
rational
  • rational
try again
anonymous
  • anonymous
How?? Um....
rational
  • rational
im getting 2.8
rational
  • rational
double check ur calculation
anonymous
  • anonymous
I have twice. Hmm I will one more time real fast
anonymous
  • anonymous
yes okay 2.8.
anonymous
  • anonymous
I kept putting it in the calc wrong.
rational
  • rational
good, save it. now work the average of possible values of x
rational
  • rational
|dw:1432820640182:dw|
rational
  • rational
simply add them up then divide by 5
rational
  • rational
you divide them by 5 beacause there are 5 of them
anonymous
  • anonymous
3
rational
  • rational
Yes!
rational
  • rational
so we have : mean of the distribution = 2.8 average of the possible values of x = 3
rational
  • rational
look at the options
anonymous
  • anonymous
C
rational
  • rational
Yep!

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