Suppose 45% of the population has a college degree. If a random sample of size 662 is selected, what is the probability that the proportion of persons with a college degree will differ from the population proportion by more than 3%? Round your answer to four decimal places.

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

What statement is true? 2x^2-9x+2=-1

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?