Tamara and Amir shared a candy bar. Tamara ate two fifths. Amir ate two fifths. How much is left?
1 answer:
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Answer:
The value of the parameter is λ is 0.03692
Step-by-step explanation:
Consider the provided function.
for −∞ < x < ∞.
It is given that standard deviation is given as 38.3 km.
Now we need to calculate the value of parameter λ.
The general formula for the probability density function of the double exponential distribution is:
Where μ is the location parameter and β is the scale parameter.
Compare the provided equation with the above formula we get.
and μ = 0.
Standard deviation = √2β
Now substitute the value of β in .
Hence, the value of the parameter is λ is 0.03692
Answer:
The answer is <u>A. 990.</u>
Step-by-step explanation:
Now, to find the greatest possible length of time any of the mowers operates.
The 3 lawn-service mowers operate at the average length of time = 930 minutes.
So, the total length of time the 3 lawn mowers take =
The least length a mowers operates = 900 minutes.
Now, to find the greatest possible length of time any of the mowers operates:
Let be the greatest possible length of time any of the mowers operates.
<em>As, any one of the mowers operates greatest length.</em>
<em>So, rest of the two mowers be least at length.</em>
According to question:
<em>Subtracting both sides by 1800 we get:</em>
<u><em>Thus, the greatest possible length of time any of the mowers operates is 990 minutes.</em></u>
Therefore, the answer is A. 990.