Mathematics, 20.03.2020 00:05 patelandrew816
A couple plans to have children until they get a girl, but they agree they will not have more than three children, even if all are boys. Assume that the probability of having a girl is 0.52. Let X be a random variable indicating how many children the couple will have. Find the standard deviation of the random variable X. x 1 2 3 P(Xequalsx) 0.520 0.250 0.230
Answers: 3
Mathematics, 21.06.2019 19:00
Me asap on # : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.
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Mathematics, 21.06.2019 20:00
If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?
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Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line
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Mathematics, 22.06.2019 00:30
Which equation can be solved to find one of the missing side lengths in the triangle? cos(60o) = cos(60o) = cos(60o) = cos(60o) = mark this and return
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A couple plans to have children until they get a girl, but they agree they will not have more than t...
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