The distance from Alex's house to his brother's house is 340 kilometers. To the nearest tenth, how many miles is this? (Hint: 1 mi ≈ 1.609 km)
547.1 miles
161.3 miles
211.3 miles
225.3 miles

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?

(co 3) the soup produced by a company has a salt level that is normally distributed with a mean of 5.4 grams and a standard deviation of 0.3 grams. the company takes readings of every 10th bar off the production line. the reading points are 5.8, 5.9, 4.9, 6.5, 5.0, 4.9, 6.2, 5.1, 5.7, 6.1. is the process in control or out of control and why? it is out of control as two of these data points are more than 2 standard deviations from the mean it is in control as the data points more than 2 standard deviations from the mean are far apart it is out of control as one of these data points is more than 3 standard deviations from the mean it is in control as the values jump above and below the mean

Shirley spelled 12 of her 15 spelling words correctly on the test. what percentage did shirley get on the test?