One morning Kai records the colour of the cars passing his house. He then works out the relative frequency of each colour.
Some of his results are shown in this table.
Colour
Silver
Red
Green
Black
Other
Relative
frequency
0.16
0.10
0.24
0.32
The following morning, Kai is going to record the colour of the first 200 cars to pass his house,
Work out an estimate for the total number of cars, coloured silver or red, that he should expect to
see.
oh

the thermometer is precise but not accurate

step-by-step explanation:

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it

14 ft 7 inches

step-by-step explanation:

since each model inch corresponds to 25 real inches, 7 model inches will correspond to

7×25" = 175"

at 12" per foot, that is 14 feet, 7 inches.