The random variable x represents the number of credit cards that adults have along with the corresponding probabilities. Find the standard
deviation.

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

Question 4 of 10 2 points what is the second part of the process of investigating a question using data? a. rephrasing the question o b. describing the data c. collecting the data o d. making an inference submit