Davis digs a hole at a rate of feet every 10 minutes. After digging for 40 minutes, Davis places a bush in the hole that fills exactly ; feet of the hole
Relative to ground level, what is the elevation of the hole after placing the bush in the hole?
Enter your answer as a simplified mixed number in the box.
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a

Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.