Five-twelfths of the participants at a conference brought laptop computers with them. If there were 276 participants, which of the following is the number of people who brought laptops?

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

If a line is defined by the equation y = 5x + 2, what is the slope?

1. why is a frequency distribution useful? it allows researchers to see the "shape" of the data. it tells researchers how often the mean occurs in a set of data. it can visually identify the mean. it ignores outliers. 2. the is defined by its mean and standard deviation alone. normal distribution frequency distribution median distribution marginal distribution 3. approximately % of the data in a given sample falls within three standard deviations of the mean if it is normally distributed. 95 68 34 99 4. a data set is said to be if the mean of the data is greater than the median of the data. normally distributed frequency distributed right-skewed left-skewed