Sophia is considering buying a dress and a necklace. The probability she will buy a red dress is 0.2, and similarly, it is 0.4 for a blue dress. There is a 10% chance she will buy a necklace. Find the probability of buying at least one of the previous items, given that she will buy at most one dress, and buying a necklace is independent of buying a dress.

Which of the following parabolas opens down?

Identify the statement below as either descriptive or inferential statistics. upper a certain website sold an average of 117 books per day last week. is the statement an example of descriptive or inferential statistics? a. it is an example of descriptive statistics because it uses a sample to make a claim about a population. b. it is an example of inferential statistics because it uses a sample to make a claim about a population. c. it is an example of inferential statistics because it summarizes the information in a sample. d. it is an example of descriptive statistics because it summarizes the information in a sample.

Aculinary club earns $1360 from a dinner service. they sold 45 adult meals and 80 student meals. an adult meal costs twice as much as a student meal. what is the cost of an adult meal?