the mean of the temperatures in the chart is 24° with standard deviation of 4º. how many years had temperatures within one
standard deviation of the mean?
20
25
28
35

Paint color preference children adults total 0.6 0.77 liked new paint color disliked new paint color 0.4 0.15 0.23 total 1.0 1.0 1.0 which value for x completes the conditional relative frequency table by column?

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?