of the 23 species of a sea creature, 21 live in U. S. waters. All of the species of this sea creature that live in U. S. waters are endangered. What fraction of the species of this sea creature that live in the U. S. waters are endangered?

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Look at the chart showing the results of a baseball player at bat. which is the probability of getting a hit?

The probability that a tutor will see 0, 1, 2, 3, or 4 students is given below determine the probability distribution's missing value.