Mathematics: Of 500 students going on a class trip 350 are student band members and 65 are athletes 25 band members and student athletes what is the probability that one of the students on the trip is an athlete or a band memeber?

Of 500 students going on a class trip 350 are - id5003504054873, thicklooney

Ответ:

paradisetiyae6903

11.01.2022

Mathematics

0.78

Step-by-step explanation:

There are 500 students in total. Thus,

350 students are band members;65 students are athlets;25 students are both band members and athlets;350-25=325 students are only band members. not athlets;65-25=40 students are only athlets, not band members.

The probability that one of the students on the trip is an athlete or a band memeber is

$Pr=\dfrac{325+40+25}{500}=\dfrac{390}{500}=0.78.$

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Ответ:

kutsevjulianna

19.03.2021

Mathematics

it would be 32

Step-by-step explanation:

you would add them all up then divide it by five

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Of 500 students going on a class trip 350 are student band members and 65 are athletes 25 band members and student athletes what is the probability that one of the students on the trip is an athlete or a band memeber?

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