Find the 30th percentile. (Round your answer to two decimal places.) Part (e) Sketch the graph, shade the region, label and scale the horizontal axis for X, and find the probability. (Round your answer to four decimal places.) P(46 < X<52) = 0.1059 X Part (f) Sketch the graph, shade the region, label and scale the horizontal axis for X, and find the probability. (Round your answer to four decimal places.) P(12

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X~ N(50, 11). Suppose that you form random samples of 25 from this distribution. Let X be the random variable of averages. Let EX be the random variable of sums.
Part (a)
Part (b)
Part (c)
Part (d)
Find the 30th percentile. (Round your answer to two decimal places.)
Part (e)
Sketch the graph, shade the region, label and scale the horizontal axis for X, and find the probability. (Round your answer to four decimal places.)
P(46 < X<52) = 0.1059
x
Part (f)
Sketch the graph, shade the region, label and scale the horizontal axis for X, and find the probability. (Round your answer to four decimal places.)
P(12< X<46) =
Part (g)
Give the distribution of ΣΧ.
EX-
Part (h)
Find the minimum value for the upper quartile for EX. (Round your answer to two decimal places.)
Part (1)
Sketch the graph, shade the region, label and scale the horizontal axis for EX, and find the probability. (Round your answer to four decimal places.)
P(1150 <EX < 1300)=
4
1
7
0
D
Transcribed Image Text:X~ N(50, 11). Suppose that you form random samples of 25 from this distribution. Let X be the random variable of averages. Let EX be the random variable of sums. Part (a) Part (b) Part (c) Part (d) Find the 30th percentile. (Round your answer to two decimal places.) Part (e) Sketch the graph, shade the region, label and scale the horizontal axis for X, and find the probability. (Round your answer to four decimal places.) P(46 < X<52) = 0.1059 x Part (f) Sketch the graph, shade the region, label and scale the horizontal axis for X, and find the probability. (Round your answer to four decimal places.) P(12< X<46) = Part (g) Give the distribution of ΣΧ. EX- Part (h) Find the minimum value for the upper quartile for EX. (Round your answer to two decimal places.) Part (1) Sketch the graph, shade the region, label and scale the horizontal axis for EX, and find the probability. (Round your answer to four decimal places.) P(1150 <EX < 1300)= 4 1 7 0 D
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