A jar contains 10 green marbles and 10 orange marbles. The green marbles are numbered 1–5 and 11–15 and the orange marbles are numbered 6–10 and 16–20. Find the probability that a marble drawn from the jar is orange or less than 6.
A jar contains 12 marbles and 7 blocks. An object is drawn from the jar then replaced. Find the probability that in 3 draws a marble, a block, then a marble is drawn. Round to the ten thousandths place.
A six-sided die is rolled and a fair coin flipped. Are the events that a number less than 3 is rolled and heads is flipped dependent or independent?
A bag contains 26 tiles lettered A–Z. Two tiles are drawn without replacement. Are the events that a vowel and a consonant are selected dependent or independent?
The National Vital Statistics Report on births in 2004 shows that approximately 48.8% of live births are females. Find the probability of giving birth to three daughters followed by a son. Round to the ten thousandths place.