Mathematics, 07.11.2019 21:31 brinks7994
The random variable x, representing the number of cherries in a cherry puff, has the following probability distribution: x 2 3 4 5 p(x = x) 0.35 0.45 0.05 0.15 (a) find the mean µ and the variance σ 2 of x. (b) find the mean µx¯ and the variance σ 2 x¯ of the mean x¯ for the random samples of 16 cherry puffs. (c) find the probability that the average number of cherries in 16 cherry puffs will be less than 2.888. use the normal distribution. round z-scores to 2 decimals. round your final answer to 4 decimals.
Answers: 2
Mathematics, 21.06.2019 18:30
David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?
Answers: 1
Mathematics, 21.06.2019 21:00
Evaluate 5 + 6 · 2 – 8 ÷ 4 + 7 using the correct order of operations. a. 22 b. 11 c. 27 d. 5
Answers: 1
Mathematics, 22.06.2019 00:30
Intro biblioteca sunt 462 de carti cu 198 mai putine enciclipedii si cu 47 mai multe dictionare decat enciclopedii cate enciclopedii sunt in biblioteca
Answers: 1
The random variable x, representing the number of cherries in a cherry puff, has the following proba...
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