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ludmilkaskok [199]
2 years ago
7

A fair dice is rolled.

Mathematics
1 answer:
shutvik [7]2 years ago
8 0

Answer:

The probability of getting a factor of 12 on a fair dice is 5/6 or approximately 83%.

Step-by-step explanation:

Probability is expressed as a fraction where the denominator is the total number of outcomes and the numerator is the number of desired outcomes.  In this case, the desired outcome is any factor of 12.  The factors of 12 are the numbers we multiply together to get that number:  1, 2, 3, 4, 6 and 12.  Since a fair dice has the total outcomes of either 1, 2, 3, 4, 5 or 6, then the total outcomes is 6 and the possibility that we could roll the desired outcome (factor of 12) is 5, the probability is 5 out of 6 or 5/6, which when divided is approximately 83%.  

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Answer:

Null hypothesis is rejected. Standard deviation is > 8 miles per hour

Step-by-step explanation:

σ [Population standard deviation] = 8 , s [sample standard deviation] = s

n [no of items] = 8

H0 [Null] : σ = 8 ; H1 [Alternate - Right Tail] : σ > 8

χ2 = (n - 1) . s^2 / σ^2

= 49 x (10.5)^2 / 82 = 5402.25 / 64

χ2 = 84.410

df [degree of freedom] = n -1 = 50 - 1 = 49

P value (χ^2 49 > 84.410) = 0.00125

p = 0.0013

p < α ie 0.05

So, H0 is rejected

Hence we state that standard deviation is > 8 miles per hpur

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3 years ago
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40+40+40= 120. If each inch is 40 then add 40 3 times
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3+7=7+3 is an example of which property
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Select the true statement. A. Neither function is even. B. Only function f is even. C. Only function g is even. D. Both function
astraxan [27]

Answer:

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Step-by-step explanation:

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By definition of conditional probability,

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6 0
3 years ago
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