2 years ago

1. You walk into a store and it says 25% off everything! Find the cost of a pair of pants that are

Mathematics

2 answers:

Delvig [45]2 years ago

7 0

Answer:

Its is %75

Step-by-step explanation:

MA_775_DIABLO [31]2 years ago

5 0

Answer:

75 dollars

Step-by-step explanation:

ok 25 goes into 100 4 times so if its 25%off it would be 75

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Answer:

a) correct option is

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Step-by-step explanation:

Given data:

mean number is given as 6.2

correct option is

Poisson distribution is 6.2 and standard deviation is 2.49

we know that variance is given as $\sigma^2 = mean = 6.2$

hence, standard deviation is given as $\sqrt{6.2} = 2.48998$

thus standard deviation is 2.49

correct option is

Poisson distribution is 6.2 and standard deviation is 2.49

b) probability for only 2 or less than 2 surgeries in a given day is

$P(X \leq 2) = P(X =0) + P(X =1) + P(X =2)$

$= \frac{e^{-6.2} 6.2^0}{0!} +\frac{e^{-6.2} 6.2^1}{1!} +\frac{e^{-6.2} 6.2^2}{2!}$

= 0.002029 + 0.012582+ 0.039006

= 0.053617

= 0.0536

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shusha [124]

Answer:

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