According to recent surveys, 70% of households have personal computers. If a random sample of 100 households is selected, what is the probability. that more than 75 but fewer than 90 have a personal computer? (in four decimals)

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

Which number is located at point a on the number line? a number line is shown from negative 10 to 10 with each interval mark on the number line representing one unit. point a is labeled one interval mark to the right of negative 5.

$5400 is? invested, part of it at 11? % and part of it at 8? %. for a certain? year, the total yield is ? $522.00. how much was invested at each? rate?