What IS 20% of 36.04

Mathematics

2 answers:

Zigmanuir [339]3 years ago

7 0

Answer:

$7.20

Step-by-step explanation:

Solnce55 [7]3 years ago

5 0

7.208

Step-by-step explanation: 20 % x 36.04 is equal to 7.208 because it's multiplying.

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The probability that a random student at Elmville College is a freshman is 0.3; a sophomore, 0.25; and a junior or senior, 0.45.

Andre45 [30]

Let $L_1$ denote the event that a student is a freshman, $L_2$ a sophomore, $L_3$ a junior, and $L_4$ a senior.

Let $E$ denote the event that a student majors in engineering. By the law of total probability,

$\mathbb P(E)=\mathbb P(E\cap L_1)+\mathbb P(E\cap L_2)+\mathbb P(E\cap L_3)+\mathbb P(E\cap L_4)$

By the definition of conditional probability, we can expand each of these intersection probabilities to get

$\mathbb P(E)=\mathbb P(E\mid L_1)\mathbb P(L_1)+\mathbb P(E\mid L_2)\mathbb P(L_2)+\mathbb P(E\mid L_3)\mathbb P(L_3)+\mathbb P(E\mid L_4)\mathbb P(L_4)$

$\mathbb P(E)=0.15\cdot0.3+0.2\cdot0.25+2(0.3\cdot0.45)=0.365$

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3 years ago

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yawa3891 [41]

Answer:

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6 0

3 years ago

Read 2 more answers

Simplify. -9 -5 -7 х Y Z 2 6 3 X Y Z

krok68 [10]

Answer:

$= {x}^{ - 11} {y}^{ - 11} {z}^{ - 10}$

Step-by-step explanation:

$= \frac{ {x}^{ - 9} {y}^{ - 5} {z}^{ - 7} }{ {x}^{2} {y}^{6} {z}^{3} } \\ = {x}^{ - 9 - 2} {y}^{ - 5 - 6} {z}^{ - 7 - 3} \\ = {x}^{ - 11} {y}^{ - 11} {z}^{ - 10}$