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Mnenie [13.5K]
3 years ago
11

the position of a particle moving to the right on the x-axis is given by x(t), where x(t) is measured in inches and t is measure

d in minutes for 0≤t≤100. if y=x(t) is a linear function, which of the following would most likely give the best estimate of the speed of the particle, in inches per minute, at time t=20 minutes?
SAT
1 answer:
oee [108]3 years ago
3 0
Jehdjejtjtbsbdbdbfbb bc bfbrbjrjtjtjjtjtjthtbt
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The size of the sample needed = 67.65

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Given that :

The margin of error = 10% = 0.10

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The margin of error formula can be expressed as:

M.O.E = Z_{\alpha/2} \times \sqrt{\dfrac{p(1-p)}{n}}

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Squaring both sides; we have:

0.10^2 = 1.645^2 \times {\dfrac{0.5(1-0.5)}{n}

0.01 = 2.706025 \times \dfrac{0.25}{n}

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