Which one is it is it a b c or d
2 answers:
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Answer: The price elasticity of the demand for skateboards = 0.6.
Step-by-step explanation:
Since we have given that
Original price of skate boards = $200
Quantity of skate board = 10
New price of skate boards = $300
Quantity of skate board = 7
Since we know that "Price of commodity is inversely related to quantity demanded."
So, price elasticity of demand is given by
Hence, the price elasticity of the demand for skateboards = 0.6.
Answer:
probability that you draw a black bead or a white bead that is P(E1 U E2)
= 20/35 = 0.571
Step-by-step explanation:
Given a bag containing 15 red beads, 12 white beads and 8 black beads
n(S) = 15 + 12 +8 = 35
Let 'E1 be the event of selecting black beads and E2 be the event of selecting white beads
n(E1) = 8 and n(E2) = 12
Probability of draw a black bead P( E1 ) =
Probability of draw a white bead P( E2 ) =
probability that you draw a black bead or a white bead that is P(E1 U E2)
and E1 n E2 = ∅ (disjoint events)
<u>Axiom of union </u>
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E1 n E2 = ∅ ⇒ P(E1 n E2) = p(∅) = 0