There is insufficient information in the question to answer it. In order to compute a mean and a standard deviation, you need at least two data points, but the question only gave one. Please restate the question.
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Bob scored 300 or 700.
238.6
If you mean 300 plus a 10 percent increase of itself, 330.
300 percent = 3⁄1 or 3.00
5 percent of 300 is 15.
Bob scored 300 or 700.
A bank wishing to estimate the mean balances owed by their MasterCard customers within 75 miles with a 98 percent confidence can use the following formula to calculate the required sample size: Sample size = (Z-score)2 * population standard deviation / (margin of error)2 Where Z-score = 2.326 for 98 percent confidence Population standard deviation = 300 Margin of error = desired confidence intervalSubstituting the values into the formula the required sample size is: 2.3262 * 300 / (Confidence Interval)2 = 553.7Therefore the bank would need to have a sample size of 554 to estimate the mean balances owed by their MasterCard customers within 75 miles with a 98 percent confidence.
238.6
If you mean 300 plus a 10 percent increase of itself, 330.
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300 percent = 3⁄1 or 3.00
To find 75 percent of a number, multiply the number by 0.75. In this instance, 0.75 x 300 = 225. Therefore, 75 percent of 300 is equal to 225.
79 percent of 300 is 237.
166 percent of 300 is 498.
5 percent of 300 is 15.
300 percent of 3,000 is 9,000.
4 percent of 300 = 12