(d) Find the predicted distance (km/100) when a drift bottle has been floating for 90 days. (Use 2 decimal places.) | km/100 (e) Find a 90% confidence interval for your prediction of part (d). (Use 1 decimal place.) lower limit upper limit | km/100 )km/100 (1) Use a 1% level of significance to test the claim that p > 0. (Use 2 decimal places.) critical e[ Conclusion O Reject the null hypothesis, there is sufficient evidence that ß > 0. O Reject the null hypothesis, there is insufficient evidence that p > 0. O Fail to reject the null hypothesis, there is insufficient evidence that p > 0. O Fail to reject the null hypothesis, there is sufficient evidence that ß > 0.

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Chapter1: Starting With Matlab
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x days
y km/100
74
75
34
93
209
14.5
19.1
5.7
11.5
35.9
Transcribed Image Text:x days y km/100 74 75 34 93 209 14.5 19.1 5.7 11.5 35.9
(d) Find the predicted distance (km/100) when a drift bottle has been floating for 90 days. (Use 2 decimal places.)
km/100
(e) Find a 90% confidence interval for your prediction of part (d). (Use 1 decimal place.)
lower limit
|km/100
| km/100
upper limit
() Use a 1% level of significance to test the claim that 8 > 0. (Use 2 decimal places.)
critical t
Conclusion
O Reject the null hypothesis, there is sufficient evidence that A > 0.
Reject the null hypothesis, there is insufficient evidence that p > 0.
Fail to reject the null hypothesis, there is insufficient evidence that B > 0.
O Fail to reject the null hypothesis, there is sufficient evidence that p > 0.
(9) Find a 95% confidence interval for ß and interpret its meaning in terms of drift rate. (Use 2 decimal places.)
lower limit
upper limit
Interpretation
O For every day of drift, the distance drifted decreases by an amount that falls within the confidence interval.
For every day of drift, the distance drifted increases by an amount that falls within the confidence interval.
For every day of drift, the distance drifted decreases by an amount that falls outside the confidence interval.
O For every day of drift, the distance drifted increases by an amount that falls outside the confidence interval.
(h) Consider the following scenario. A sailboat had an accident and radioed a Mayday alert with a given latitude and
longitude just before it sank. The survivors are in a small (but well provisioned) life raft drifting in the part of the
Pacific Ocean under study. After 30 days, how far from the accident site should a rescue plane expect to look? (Use
2 decimal places.)
km/100
Transcribed Image Text:(d) Find the predicted distance (km/100) when a drift bottle has been floating for 90 days. (Use 2 decimal places.) km/100 (e) Find a 90% confidence interval for your prediction of part (d). (Use 1 decimal place.) lower limit |km/100 | km/100 upper limit () Use a 1% level of significance to test the claim that 8 > 0. (Use 2 decimal places.) critical t Conclusion O Reject the null hypothesis, there is sufficient evidence that A > 0. Reject the null hypothesis, there is insufficient evidence that p > 0. Fail to reject the null hypothesis, there is insufficient evidence that B > 0. O Fail to reject the null hypothesis, there is sufficient evidence that p > 0. (9) Find a 95% confidence interval for ß and interpret its meaning in terms of drift rate. (Use 2 decimal places.) lower limit upper limit Interpretation O For every day of drift, the distance drifted decreases by an amount that falls within the confidence interval. For every day of drift, the distance drifted increases by an amount that falls within the confidence interval. For every day of drift, the distance drifted decreases by an amount that falls outside the confidence interval. O For every day of drift, the distance drifted increases by an amount that falls outside the confidence interval. (h) Consider the following scenario. A sailboat had an accident and radioed a Mayday alert with a given latitude and longitude just before it sank. The survivors are in a small (but well provisioned) life raft drifting in the part of the Pacific Ocean under study. After 30 days, how far from the accident site should a rescue plane expect to look? (Use 2 decimal places.) km/100
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