In a survey, 63% of Americans said they own an answering machine. If 15 Americans are selected at random, find the probability that exactly 10 own an answering machine. Round to at least four decimal places.

Find the probability of answering three multiple choice questions correctly if random guesses are made. Assume that each question has four choices for the answer. Type your answer as a fraction or a decimal rounded to the nearest thousandth (three decimal places).

27% of all college students major in STEM (Science, Technology, Engineering, and Math). If 49 college students are randomly selected, find the probability that exactly 14 of them major in STEM.  Round to 4 decimal places.       ?

The probability of having a child that is left handed is10%. If three children are randomlyselected, find the probability that at least one child will be left handed. Round the answerto four decimal places.

Determine the probability that 31​, 32​, 33​, 34​, or 35 flights will arrive on time

Consider a biased coin, where the probability of tossing a head is The coin is tossed 4 times. Find the probability of getting 3 heads. Give your answer exactly, or correct to 3 decimal places. Just enter the number. Evles

Give the probability in decimal form (correct to two decimal places). A calculator may be helpful with this problem. Last year, 1,455 calculators were returned to the manufacturer. If 83,000 were produced, assign a number to specify the probability that a particular calculator would be returned. Need Help? Read It Additional Materials Tech Guide: Excel Tech Guide: TI-83/84 Tech Guide: TI-Nspire

A database system assigns a 32-character ID to each record, where each character is either a number from 0 to 9 or a letter from A to F. Assume that each number or letter being selected is equally likely. Find the probability that at least 20 characters in the ID are numbers. Use Excel to find the probability. Round your answer to three decimal places.

A poll showed that 45% of Americans say they believe that Marilyn Monroe had an affair with JFK. What is the probability (in percent form) of randomly selecting someone who does not believe that Marilyn Monroe had an affair with JFK. Probability = % (Please round your answer to one decimal place.)

61% of all Americans are home owners. If 33 Americans are randomly selected, find the probability that Exactly 18 of them are are home owners.