Suppose Z~ N(0,1) and Y = e². (a) Find the cdf Fy(a) and pdf fy(y) for Y. (For the CDF, the best you can do is write it in terms of the standard normal cdf.) (b) We don't have a formula for $(z) so we don't have a formula for quantiles. So we have to write quantiles in terms of -¹. (i) Write the 0.33 quantile of Z in terms of -1 (ii) Write the 0.9 quatntile of Y in terms of -¹. (iii) Find the median of Y.

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Suppose Z~ N(0,1) and Y = e².
(a) Find the cdf Fy(a) and pdf fy(y) for Y. (For the CDF, the best you can do is write
it in terms of the standard normal cdf.)
(b) We don't have a formula for $(z) so we don't have a formula for quantiles. So we have
to write quantiles in terms of -¹.
(i) Write the 0.33 quantile of Z in terms of -1
(ii) Write the 0.9 quatntile of Y in terms of -¹.
(iii) Find the median of Y.
Transcribed Image Text:Suppose Z~ N(0,1) and Y = e². (a) Find the cdf Fy(a) and pdf fy(y) for Y. (For the CDF, the best you can do is write it in terms of the standard normal cdf.) (b) We don't have a formula for $(z) so we don't have a formula for quantiles. So we have to write quantiles in terms of -¹. (i) Write the 0.33 quantile of Z in terms of -1 (ii) Write the 0.9 quatntile of Y in terms of -¹. (iii) Find the median of Y.
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