Projections place world population by 2050 at
(a) between 4 and 6 billion.
(b) between 6 and 8 billion.
(c) between 8 and 10 billion.
(d) between 10 and 12 billion.
C
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Refer to Table 5.4. If outcomes 1 and 2 are equally likely at Job A, and if at Job B the $20 outcome occurs with probability .1, and the $50 outcome occurs with probability .9, then
A) Job A is safer because the difference in the probabilities is lower. B) Job A is riskier only because the expected value is lower. C) Job A is riskier because the standard deviation is higher. D) Job B is riskier because the difference in the probabilities is higher. E) There is no definite way given this information to tell how risky the two jobs are.
With a nominal interest rate of 5%, the present discounted value of $100 to be received in one year is
A) $90.91. B) $95.23. C) $181.82. D) $190.00. E) $220.00.