Astudent takes an exam. the ratio of her right answers to her wrong answers is 10 to 3. which of the following could describe this situation? she answered 20 wrong and 23 right. she answered 70 wrong and 21 right. she answers 23 wrong and 20 right. she answered 21 wrong and 70 right.

Study results indicate that the mean length of time people spend on a bus in a city is between 21.2 min and 24.5 min what is the study margin of the error?

Arestaurant manager wanted to get a better understanding of the tips her employees earn, so she decided to record the number of patrons her restaurant receives over the course of a week, as well as how many of those patrons left tips of at least 15%. the data she collected is in the table below. day mon tue wed thu fri sat sun patrons 126 106 103 126 153 165 137 tippers 82 87 93 68 91 83 64 which day of the week has the lowest experimental probability of patrons tipping at least 15%? a. sunday b. saturday c. friday d. thursday

If three points are collinear, they are also coplanar