Seth asked a random sample of 20 students how much cash they had in their pocket. The following frequency table gives the responses. cash($) freq 1 2 5 20 9. 44 1 985 1 Find the standard deviation. Give your answer to at least 2 decimal places

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A: Here given x=3t22-6t-1y=t33-9t+1

Q: d) Use your answers for Parts B and C to compute the 95% confidence interval for the proportion of…

A: (1-α)100% = 95%  α= 0.05 Zα/2  = 1.96 (Use Excel function =NORMSINV(0.05/2) )

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A: There is a 90% chance of growing into a healthy plant.

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Q: Find the standard deviation. Give your answer to at least 3 decimal places

A: Given: Age, x freq, f 15 2 16 2 17 37 18 9

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Q: e you bid $12,000.

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A: Our Aim is to find the distance between (-4,-3) and (1,7).Since, distance between two points (x1,y1)…

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A: Given Data: p=445/500=0.89 n=500   z-value corresponding to 90% Confidence =1.645

Q: Please help. The answer is not 4.

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A: n1=n2=12α=0.05

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A: Sample proportion for each color can be calculated as follows:

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A: Suppose the random variable x defines the total energy needed during pregnancy by a woman.

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A: integrate

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Q: 5. STEM The table shows the number of known moons for each planet in our solar system. Use the…

A: Data is  Planet No. of Moons     Mercury 0 Venus 0 Earth 1 Mars 2 Jupiter 63 Saturn…

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Q: 8. (10x- 45) R (6x - 1) Rounding to the nearest 10th. degrees the measure of arc MN = degrees

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A: Observe from the graph that  limx→∞ y=∞limx→-∞ y=-∞

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