# Question

Consider a bell-shaped distribution with a mean of 750 and a standard deviation of 50. There are 500 observations in the data set.

a. What percentage of the observations are less than 700?

b. Approximately how many observations are less than 700?

a. What percentage of the observations are less than 700?

b. Approximately how many observations are less than 700?

## Answer to relevant Questions

Data are drawn from a bell-shaped distribution with a mean of 25 and a standard deviation of 4. There are 1,000 observations in the data set.a. What percentage of the observations are less than 33?b. Approximately how ...An article in The Wall Street Journal (July 11, 2008) outlined a number of reasons as to why the 16 teams in Major League Baseball’s National League (NL) are inferior to the 14 teams in the American League (AL). One ...Consider the following competing hypotheses and accompanying sample data drawn independently from normally distributed populations.H0: µ1 - µ2 ≤ 0HA: µ1 - µ2 > 01 = 249 2 = 272s1 = 35 s2 = 23n1 = 10 n2 = 10a. ...In May 2008, CNN reported that sports utility vehicles (SUVs) are plunging toward the “endangered” list. Due to soaring oil prices and environmental concerns, consumers are replacing gas-guzzling vehicles with ...A sample of 35 paired observations generates the following results: = 1.2 and sD = 3.8.a. Specify the appropriate hypotheses to test if the mean difference is greater than zero.b. Compute the value of the test statistic ...Post your question

0