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Suppose that you have 7 cards. 5 are blue and 2 are orange. The 5 blue cards are numbered 2, 4, 6, 8, and 9.
- Suppose that you have 7 cards. 5 are blue and 2 are orange. The 5 blue cards are numbered 2, 4, 6, 8, and 9. The 2 orange cards are numbered 2 and 7. The cards are well shuffled. You randomly draw one card.
- B = card drawn is blue
- E = card drawn is even numbered
Calculate P(B and E).
a)2/5
b)4/5
c)4/7
d)5/7
Based on data from the US Census Bureau the average age of US residents is 36.31 with a standard deviation of 21.99. The data is normally distributed. The notation for the distribution is:
X ~ B(36.31, 22)
X ~ N(36.31, 21.99)
X ~ N(21.99, 36.31)
X ~ U(0, 36.31)
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