Among a group of 2,500 people, 35 percent invest in municipal bonds, 18 percent invest in oil stocks, and 7 percent invest in bo
1 answer:
Answer:
Probability that the person selected will be one who invests in municipal bonds but not in oil stocks is
Explanation:
Given : Total no of people in the group = 2500
Investors of municipal bonds = 35% i.e .35 × 2500 = 875
Investors of both municipal bonds and oil stocks
= 7% i.e .07 × 2500
= 175
Hence, the investors who have invested in municipal bonds but not oil stocks = 875 - 175 = 700 investors
Probability that the person being selected will be one who invests in municipal bonds but not in oil stocks =
=
=
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Answer:
(B) $20 billion
Explanation:
Given a certain level of MPC, an increase in government spending (G) by a certain amount translates to an increase in aggregate demand (AD) through the relationship below.
where Δ means <em>change.</em>
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Therefore, given ΔAD of $50 billion, and MPC of 0.6,
=
=
= ΔG = 50 * 0.4 = 20
Therefore, increase in government purchases = $20 billion.