Given that a 90% confidence interval for the mean height of all adult males in Idaho measured in inches was [62.532, 76.478]. Us
1 answer:
Answer:
The point estimate used to estimate the mean height of all adult males in Idaho was 69.505 inches.
Step-by-step explanation:
The point estimate is the halfway point of the confidence interval, that is, the lower bound added to the upper bound, and then this sum is divided by 2. So
Lower bound: 62.535
Upper bound: 76.478
Point estimate:
The point estimate used to estimate the mean height of all adult males in Idaho was 69.505 inches.
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Answer:
The function that models the depth of the hole in feet over time in hours is .
Step-by-step explanation:
According to the statement, the variable to be modelled is the depth of the hole, which decreases whereas is filled. Under the assumption that the hole is filled at constant rate, we obtain the following expression:
(1)
Where:
- Current depth of the hole, measured in inches.
- Initial depth of the hole, measured in inches.
- Filled level, measured in inches.
- Filling time, measured in hours.
- Time, measured in hours.
If we know that ,
and
, then the function that models the depth of the hole is:
The function that models the depth of the hole in feet over time in hours is .
Answer:
1.5 meters = 150 centimeters (multiply by 100)
Therefore, you should cut off centimeters.