Why is (3, -5) not a solution to -x+4=-15 and -2x-3y=-8
2 answers:
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Answer: 0.025
Step-by-step explanation:
The probability density function for a random variable that is uniformly distributed on interval [a,b] is given by :-
Given : A statistics professor plans classes so carefully that the lengths of her classes are uniformly distributed between 45.0 and 55.0 minutes.
Let x be the random variable that denotes the lengths of her classes.
Then, the probability density function =
Now, the probability that a given class period runs between 50.25 and 50.5 minutes will be :-
Hence, the required probability =0.025