The histogram gives information about a fitness club. Frequency
Members of a fitness club
All members are below 80 years old. A density
25 members are below 20 years old.
9 members are above 65 years old.
a) Complete the histogram.
b) Work out the total number
of members of the club.
members
10
20
30
60
70
80
40 50
Age in years

Find the perimeter of the figure shown above. a. 18 yds c. 20 yds b. 10 yds d. 24 yds select the best answer from the choices provided

Cor d? ? me ? max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

5,678.321 what place value is the 1 in