A normally distributed random variable X with variance o = 400 and P(X > 130) = 0.6554. Then the mean of X is O 122 O 138 O 120 O 290

MATLAB: An Introduction with Applications
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Eemaining Time: 1 hour. 37 minutes, 54 seconds.
Question Completion Status:
QUESTION 10
A normally distributed random variable X with variance o
= 400 and P(X> 130) = 0.6554. Then the mean of X is
O 122
O 138
O 120
O 290
QUESTION 11
For the given data in stem-and- leaf display form, find the inter-quartile range.
3.2 | 4579
3.3 | 02558
3.4 | 45789
3.5 | 11678
3.6 | 0268
O 2.5
O 0.28
O 0.31
Transcribed Image Text:Eemaining Time: 1 hour. 37 minutes, 54 seconds. Question Completion Status: QUESTION 10 A normally distributed random variable X with variance o = 400 and P(X> 130) = 0.6554. Then the mean of X is O 122 O 138 O 120 O 290 QUESTION 11 For the given data in stem-and- leaf display form, find the inter-quartile range. 3.2 | 4579 3.3 | 02558 3.4 | 45789 3.5 | 11678 3.6 | 0268 O 2.5 O 0.28 O 0.31
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