1.Ellie walks up to the spinner first. She hopes to win a free drink, a free dessert, or free fries. She says, “The probability that I get what I want is , because there are 3 sections I want the arrow to land in.” Ellie is incorrect. Is her actual probability of winning a free drink, free dessert, or free fries greater or less than what she thinks it is? Explain.

Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints

Select all of the following expressions that are equal to 2.5.

Mariah is randomly choosing three books to read from the following: 5 mysteries, 7 biographies, and 8 science fiction novels. which of these statements are true? check all that apply. there are 20c3 possible ways to choose three books to read. there are 5c3 possible ways to choose three mysteries to read. there are 15c3 possible ways to choose three books that are not all mysteries. the probability that mariah will choose 3 mysteries can be expressed as . the probability that mariah will not choose all mysteries can be expressed as 1 −