CDS 130 Exam 2 Questions & Answers
A bag has 5 red marbles, 13 white marbles, and 8 blue marbles. Your pick a marble at random
and RETURN the marble to the bag. Then, you pick a second marble at random.
What is the probability that the first marble picked is white, and the second marble picked is
red? Choose the BEST answer from below. - ANSWERS(13/26) * (5/26)
Show the elements of b after the following line of code is executed:
b = 2 : 2 : 9 - ANSWERSSpecified Answer for: b1 - 2
Specified Answer for: b2 - 4
Specified Answer for: b3 - 6
Specified Answer for: b4 - 8
Assign each variable below using only the given command. Your code should contain exactly
one line for the assignment of B and exactly one line for the assignment of F.
Use the zeros command to assign variable B with an array of size 9 by 9, containing value 0 in
each element.
Use the ones command to assign variable F with an array of size 15 by 15, containing value 6 in
each element. - ANSWERSB = zeros(9, 9);
F = 6 * ones(15, 15);
The program below runs without error. Show the program's output in the command window.
clear clc
a=9;
b=6;
d=a-b
f = mod(a - b, 5)
A bag has 5 red marbles, 13 white marbles, and 8 blue marbles. Your pick a marble at random
and RETURN the marble to the bag. Then, you pick a second marble at random.
What is the probability that the first marble picked is white, and the second marble picked is
red? Choose the BEST answer from below. - ANSWERS(13/26) * (5/26)
Show the elements of b after the following line of code is executed:
b = 2 : 2 : 9 - ANSWERSSpecified Answer for: b1 - 2
Specified Answer for: b2 - 4
Specified Answer for: b3 - 6
Specified Answer for: b4 - 8
Assign each variable below using only the given command. Your code should contain exactly
one line for the assignment of B and exactly one line for the assignment of F.
Use the zeros command to assign variable B with an array of size 9 by 9, containing value 0 in
each element.
Use the ones command to assign variable F with an array of size 15 by 15, containing value 6 in
each element. - ANSWERSB = zeros(9, 9);
F = 6 * ones(15, 15);
The program below runs without error. Show the program's output in the command window.
clear clc
a=9;
b=6;
d=a-b
f = mod(a - b, 5)
