Question

A science teacher keeps a bag of dice, all the same size, for classroom activities. Of the 15 dice, 4 are red, 5 are black, 2 are blue, and 4 are green. What is the probability that a randomly drawn die will not be black?
0.500


0.333


0.667


0.600

Find the probability that a random day of school will not be canceled.



0.001


0.349


0.999


0.500

A standard deck of 52 cards contains 4 aces. What is the probability of randomly drawing a card that is not an ace?



12 13


3 4


1 13


51 52

A matching card game contains 48 cards. Each card shows a piece of fruit, and there are 8 cards of each fruit in the deck. What is the probability of randomly selecting a picture of a banana?



6 1


1 8


5 6


1 6
On the walk to school each day, a student looks for pennies on the ground. Out of 24 days, the student found a penny on 5 of the days. Based on this data, determine the probability that the student will find a penny tomorrow.



19 24


24 5


5 24


1 2


Find the probability that the next 1,000 cars purchased in your city will all be the color blue.



0.999


0.750


0.500


0.001

Answer 1

Answer:

0.667; (with no additional information given) 0.500; 12/13; 1/6; 5/24;

Step-by-step explanation:

There are 5 black dice out of 15.  This leaves 15-5 = 10 dice that are not black; this gives us a probability of 10/15.  This would simplify to 2/3, which is the decimal 0.667.

Without any further information, we will say that there is a 50% chance of school being closed; this is 0.500.

There are 4 aces; this leaves 52-4 = 48 cards that are not aces.  This gives us the probability 48/52, which simplifies to 12/13.

There are 8 cards of each fruit out of 48 total cards.  This means the probability of drawing a card with a banana is 8/48 = 1/6.

We do not have enough information to answer the last question.

Answer 2

1. 0.667 2.12/13 3.1/8 4.5/24 5. 0.001