PLEASE ANSWER THESE 2 QUESTIONS ASAP
during february and march jack is spending 7 days in the yukon observing endangered species. Historically, the region has snowfall that blocks roads 20 days during these months. Can Jack expect to be able to get around at least 5 of the days

Advertisements for the train claim it is on time 90 percent of the time. The bus has a record of being on time 56 out of 64 days. Which form of transportation provide more reliable service.

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31-01-2016
Mathematics

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PLEASE ANSWER THESE 2 QUESTIONS ASAP
during february and march jack is spending 7 days in the yukon observing endangered species. Historically, the region has snowfall that blocks roads 20 days during these months. Can Jack expect to be able to get around at least 5 of the days

Advertisements for the train claim it is on time 90 percent of the time. The bus has a record of being on time 56 out of 64 days. Which form of transportation provide more reliable service.

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sarahkim1108 sarahkim1108 · Answer 1 · 2016-01-31T20:51:37+01:00

For the first question, it's 20/60 (if it's a leap year, but tht doesn't rlly matter). That can be reduced to 1/3. However, there's also 5/60 which is reduced to 1/12. Since 1/3 is bigger than 1/12, he shouldn't expect to be able to get around at least 5 of the days. (But, I'm not exactly sure if this answer is correct. Just guess; there's 50% you'll get it correct and 50% you won't.)

For the second question, you first have to convert '56 out of 64 days' thing to percentage. You do 56/64 x 100 which is 5600/64. That equals to 87.5%. Since 90 > 87.5, the train is more reliable.

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