Answer:
1.967 × 10⁻¹¹
Step-by-step explanation:
This is a conditional probability problem
Probability that a 12 year old leaf blower works for 5 more years = Probabilty that a leaf blower works for 17 years, given that it has worked for 12 years = P(17|12)
P(17|12) = P(17 n 12)/P(12)
P(17 n 12) = P(17)
Exponential random variable is given as
f(x) = λ e^(-λ.x)
λ = rate parameter = 5 years per blower
x = variable whose probability is required = 17
f(17) = 17 e^(-5×17)
f(17) = 17 e⁻⁸⁵ = 2.067 × 10⁻³⁶
f(12) = 12 e^(-5×12)
f(12) = 12 e⁻⁶⁰ = 1.051 × 10⁻²⁵
P(17|12) = (2.067 × 10⁻³⁶)/(1.051 × 10⁻²⁵)
P(17|12) = 1.967 × 10⁻¹¹
Answer:
38.3
Step-by-step explanation:
multiply l x w to get your answer then just round. Hope it helps!!
Answer:
the awnser is 3 because 3 * 11 = 33 then 121 divided by 33 = 3
Step-by-step explanation:
Answer:
<h2> THE answer to this is
58.9 as it is the result of 180-121.1</h2>
Please, I would appreciate it!
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Evimero Academy</h2>
Answer:
13.48
Step-by-step explanation:
multiply amount of candy bars (4) by weight (3.37) and get answer
4 x 3.37 = 13.48
