A study found that 61% of green turtles migrate to warmer climates when seasons change. Scientists tagged 120 green turtles before migration. What is the probability that less than 20 green turtles did not migrate to a warmer climate during the season change? what is the standard deviation, mean, and the variance

Awasher and a dryer cost $701 combined. the washer costs $51 more than the dryer. what is the cost of the dryer?

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score