Solve the problem.An urn contains four red balls and six white balls. A sample of four balls is selected.(a) How many samples are possible?(b) How many samples contains exactly three white balls?(c) How many samples contain four white balls?
What will be an ideal response?
| (a) | C(10, 4) = 210 |
(c) C(6, 4) = 15
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List all equally likely outcomes in the sample space for the indicated experiment.A box contains 3 blue cards numbered 1 through 3, and 4 green cards numbered 1 through 4. List the sample space of picking a blue card followed by a green card.
A. {(3, 4)} B. {(1, 1), (1, 2), (1, 3), (2, 1), (2, 2), (2, 3), (3, 1), (3, 2), (3, 3), (4, 1), (4, 2), (4, 3)} C. {(1, 2, 3, 4)} D. {(1, 1), (1, 2), (1, 3), (1, 4), (2, 1), (2, 2), (2, 3), (2, 4), (3, 1), (3, 2), (3, 3), (3, 4)}
Use the distributive property to rewrite the expression. Simplify if possible.6x + 6z
A. 36(x + z) B. 6(x + z) C. 6(xz) D. 12(x + z)
Solve the absolute value inequality. Other than ?, use interval notation to express the solution set and graph the solution set on a number line.|x + 3| > 0
A. (-3, ?)
B. (-?, -3) ? (-3, ?)
C. (-3, 3)
D. ?
Solve the problem.Consider the following savings account passbook: Date
(a)What annual interest rate is this bank paying?(b) Give the interest and balance on 10/1/12.(c) Give the balance on 1/1/15.
What will be an ideal response?