Martha types a 4 digit code into a keypad to unlock her car. the code uses the numbers 1 and 0. if the digits are selected at random, what is the probability of getting a code with exactly two 0’s?

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.

Parallelogram efgh is a rectangle. he = 6, and fe = 8. find ge: and find fj: