Find canoeist-s rate in still water
The speed of current in the stream is 2 mi/hr. It takes the canoeist 24 minutes longer to paddle 3.2 miles upstream than to paddle same distance downstream. Find canoeist's rate in still water?
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The monthly utility bills are normally distributed with the mean value of $150 and standard deviation of $20.
How many cups of grapefruit juice should be added to 30 cups of the punch which is 8% grapefruit juice to get the punch which is 10% grapefruit juice?
A bank manager wanted to determine the mean number of transactions businesses make per month. For a sample of 55 businesses, he found that mean number of transaction per month to be 32 and the standard deviation to be 7.5 transactions.
Determine the formula for gross world product, W (in trillions of dollars), as the function of t, number of years since the year 2001.
Determine a 98% confidence interval for true proportion of defective product. Show your computations and/or explain the process employed to obtain the interval.
Every time price is decreased by $10, though, sales increase by 2 per week. Find selling price that will result in weekly revenues of $7595?
The ages of ten students are listed in years:{ 17,22,19,24,21,23,29,18,22,28 } Compute the mean, median, mode, sample variance, and range.
After Chernobyl disaster, it was predicted that region would not be safe for human habitation for 100 years. Evaluate percent of original strontium-90 remaining at this time.
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