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3 years ago

My little brother asked for help and I don't even understand it. Can someone explain this for us?

Mathematics

2 answers:

frozen [14]3 years ago

6 0

1. NIL
2. ZERO
3. OH
4. NOUGHT
5. LOVE

Hope this helps!

ira [324]3 years ago

3 0

Hello!

For 5, the answer is 0, as it asks you about the different ways you can say it below.

6)
1. Nil. Nil is a term used in sports that refers to zero.
2. Zero. Usually you will say 5 degrees below zero.
3. Oh. In phone numbers might say eight oh one.
4. Naught. As naught is the only option left after love, I believe it goes with math!
5. Love. Love is a tennis term, such as 15 to zero would be 15 love.

Hope this helps!

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972 students, 700 read above the eight grade level. We want the confidence interver for the proportion of those who read at or below the 8th grade level. 972 - 700 = 272, so $n = 972, \pi = \frac{272}{972} = 0.28$

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The upper limit of this interval is:

$\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.28 + 1.44\sqrt{\frac{0.28*0.72}{972}} = 0.301$

The 85% confidence interval for the population proportion of tenth graders reading at or below the eighth grade level is (0.259, 0.301).

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