Which of the following statements are true or false? Give reasons for your answers. i) If X has the distribution N(9,10)and if Y=5x-3, then Y has distribution N(84,53)
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Expert's answer
2017-03-01T07:51:05-0500
The answer is false.
If X has a distribution N(m_1, s_1^2), Y has a distribution N(m_2, s_2^2) than (X + Y) has a distribution N(m_1 + m_2, s_1^2 + s2^2), therefore Y = 5x - 3 will a distribution N(5 * 9 - 3, 5 * 10) = N(42, 50).
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