Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 13 Jul 2017 My Price 9.00

Sign-magnitude

A given microprocessor has words of 1 byte. What is the smallest and largest integer that can be represented in the following representations:

a. Unsigned

b. Sign-magnitude

c. Ones complement

d. Twos complement

e. Unsigned packed decimal

f. Signed packed decimal

 Titanic. Here is a table we first saw in Chapter 3 showing who survived the sinking of the Titanic based on whether they were crew members, or passengers booked in first-, second-, or third-class staterooms:

 

a) If we draw an individual at random, what’s the probability that we will draw a member of the crew?

b) What’s the probability of randomly selecting a thirdclass passenger who survived?

c) What’s the probability of a randomly selected passenger surviving, given that the passenger was a first-class passenger?

d) If someone’s chances of surviving were the same regardless of their status on the ship, how many members of the crew would you expect to have lived?

e) State the null and alternative hypotheses.

f) Give the degrees of freedom for the test.

g) The chi-square value for the table is 187.8, and the corresponding P-value is barely greater than 0. State your conclusions about the hypotheses.

Answers

Maurice Tutor
(5)
Status NEW Posted 13 Jul 2017 03:07 PM My Price 9.00

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