Answer:
Step-by-step explanation:
It expresses how much money he had to pay in total for the sheet music and drumsticks altogether.
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Step-by-step explanation:
Area=23ft²
Side=√23ft²
Side=4.8ft
Answer:
8x = 4x+30
x=7.5
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Answer:
a) P=0.535
b) P=0.204
c) P=0.286
Step-by-step explanation:
The exponential distribution is expressed as
In this example, λ=1/8=0.125 min⁻¹.
a) The probability of having to wait more than 5 minutes
b) The probability of having to wait between 10 and 20 minutes
c) The exponential distribution is memory-less, so it is independent of past events.
If you have waited 5 minutes, the probability of waiting more than 15 minutes in total is the same as the probability of waiting 15-5=10 minutes.