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marissa [1.9K]
3 years ago
15

Is 3 1/4 a rational number

Mathematics
1 answer:
ICE Princess25 [194]3 years ago
8 0

Answer: Yes the mixed 3 1/4 is a rational number.

Step-by-step explanation:  

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The waiting times between a subway departure schedule and the arrival of a passenger are uniformly distributed between 0 and 5 m
bezimeni [28]

Answer: 0.75

Step-by-step explanation:

Given : Interval for uniform distribution : [0 minute, 5 minutes]

The probability density function will be :-

f(x)=\dfrac{1}{5-0}=\dfrac{1}{5}=0.2\ \ ,\ 0

The probability that a given class period runs between 50.75 and 51.25 minutes is given by :-

P(x>1.25)=\int^{5}_{1.25}f(x)\ dx\\\\=(0.2)[x]^{5}_{1.25}\\\\=(0.2)(5-1.25)=0.75

Hence,  the probability that a randomly selected passenger has a waiting time greater than 1.25 minutes = 0.75

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Find the 18th term in the following arithmetic sequence. 7,4,1,-2,-5...
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The pattern is n-3, so we will start from the beginning, from 1.
7, 4, 1, -2, -5, -8, -11, -14, -17, -20, -23, -26, -29, -32, -35, -38, -41, -44.
-44 is the 18th term in the sequence.
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3 years ago
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Given a standard 52-card deck and a 5-card hand, how many unique hands are there with at least 1 club or no aces?
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Answer:

more likely

Step-by-step explanation:

the probability of 0.05 suggests there is a chance of that event happening. A probability of 0 says that such event would never happen. so despite being small the 0.05 chance is higher than the probability of 0

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