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grandymaker [24]
3 years ago
14

Find the expected value of the following probability distribution. X 1 2 3 4 5 P(X) 0.05 0.20 0.35 0.25 0.15 Round your answer t

o two decimal place as necessary. For example, 4.56 would be a legitimate entry.Expected value = ___.
Mathematics
1 answer:
Phoenix [80]3 years ago
6 0

Answer:

5.63

Step-by-step explanation:

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If ||| m, solve for x and y.
rosijanka [135]

Answer:

x = 11, y = 3

Step-by-step explanation:

(13x - 19) and (9x + 25) are corresponding angles and congruent, thus

13x - 19 = 9x + 25 ( subtract 9x from both sides )

4x - 19 = 25 ( add 19 to both sides )

4x = 44 ( divide both sides by 4 )

x = 11

Then

13x - 19 = 13(11) - 19 = 143 - 19 = 124

(17y + 5) and 124 are alternate angles and are supplementary, thus

17y + 5 + 124 = 180, that is

17y + 129 = 180 ( subtract 129 from both sides )

17y = 51 ( divide both sides by 17 )

y = 3

4 0
3 years ago
Read 2 more answers
I need help with this
vodka [1.7K]

9514 1404 393

Answer:

  • Natural
  • Whole
  • Integer
  • Rational

Step-by-step explanation:

4563 is a positive integer, hence a Natural number. It fits in the innermost oval on the left side of the diagram, so is a member of all enclosing sets:

  • Natural
  • Whole
  • Integer
  • Rational
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5 0
3 years ago
Write an equation that expresses the relationship. Use k as the constant of variation.
Kruka [31]

Step-by-step explanation:

x = k/m

hope this helps. good luck!

6 0
2 years ago
Of 1936 people so came into a blood bank to give blood, 200 people had high blood pressure. Estimate the probability that the ne
Inessa05 [86]

Answer:

person has a 10% chance of having high bp

Step-by-step explanation:

200 out of 1936 equals about 10%

7 0
3 years ago
3.7 as a fraction simplified​
malfutka [58]

Answer:3 7/10

Step-by-step explanation:

:)

8 0
3 years ago
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