Homework 4

# Find the probability that the duration of the

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Unformatted text preview: properties of cdfs (d) What is the probability that the number of pounds of bread sold in a single day will be (i) more than 300 pounds? (ii) between 150 and 900 pounds? are the events in (i) and (ii), respectively, are these events independent? " 5. A number is randomly chosen (that is, with uniform distribution) from the interval is the probability that # ©  !¥ and % (e) If . What (a) its ﬁrst decimal digit will be a 1? (b) its second decimal digit will be a 2? (c) the ﬁrst decimal digit of its square root will be a 3? 6. Suppose that the duration in minutes of long-distance telephone conversations follows an exponential probability density function  !S   \$  ¨¦ #"!§¥   ! l  eidv  ©S sUT¥ R Find the probability that the duration of the conversation (a) will exceed 5 minutes? (b) will be less than 6 minutes? (c) will be between 5 and 6 minutes? (d) will be less than 6 minutes, given that it was greater than 5 minutes?...
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## This document was uploaded on 03/01/2014 for the course ECE 109 at UCSD.

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