A weak correlation exists between a windy day and a tornado. Does this show causation? explain your reasoning."

Determine whether the samples are independent or dependent. upper a data set includes the morning and evening temperature for the lasta data set includes the morning and evening temperature for the last 90 days.90 days.

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?