Mathematics, 05.12.2019 02:31 danielanderson12
Let xn be the random variable that equals the number of tails minus the number of heads when n fair coins are flipped. what is the expected value of xn? what is the variance of xn?
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Mathematics, 21.06.2019 21:00
God's gym charges a sign-up fee of $100 plus $30 per month. write an expression to represent how much someone would pay for a membership.
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Tamar is measuring the sides and angles of tuv to determine whether it is congruent to the triangle below. which pair of measurements would eliminate the possibility that the triangles are congruent
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Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read
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Jon’s weight loss for each week of the month is 5 lbs., 2.5 lbs., and 2.5 lbs. he gained 3.5 lbs. the last week. if jon originally weighed 198 lbs., how much does he weigh now?
Answers: 1
Let xn be the random variable that equals the number of tails minus the number of heads when n fair...
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