![krocker58](/avatars/19955.jpg)
krocker58
02.11.2020 •
Mathematics
A city council consists of seven Democrats and five Republicans. If a committee of four people is selected, find the probability selecting two Democrats and two Republicans.
Solved
Show answers
More tips
- H Health and Medicine Hangover: How to Get Rid of It Quickly?...
- S Style and Beauty How to Choose the Right Fur Coat and Avoid Regrets?...
- C Computers and Internet How to Create a Folder on Your iPhone?...
- G Goods and services How to sew a ribbon: Tips for beginners...
- F Food and Cooking How to Make Mayonnaise at Home? Secrets of Homemade Mayonnaise...
- C Computers and Internet Which Phone is Best for Internet Surfing?...
- F Food and Cooking Everything You Need to Know About Pasta...
- C Computers and Internet How to Choose a Monitor?...
- H Horoscopes, Magic, Divination Where Did Tarot Cards Come From?...
Answers on questions: Mathematics
- M Mathematics Russo is trying to find the area of the lake in his neighborhood. He sees a duck at point and use tape measuring application on his phone to find that the duckis 16 feet from the...
- M Mathematics A small sphere shaped jar has a 8cm radius.what is the volume of the bowl?...
- M Mathematics What are the vertex and x-intercepts of the graph of y=x2-6x-7? Select one answer for the vertex and one for the x-intercept...
- M Mathematics Identify which equations have one solution, infinitely many solutions, or no solution s+23–s=4.3+s 25+3=2s+-45 1+4.29-1 = 2.2y+6+2y-4 -22+2+42 = 14 +22– 55+2=65+3– 3.20–2.5 +2.1p=59-...
- M Mathematics Using the numbers 4.3, -1.07, and -2.917, write an expression containing both addition and subtraction that simplifies to a negative number....
- M Mathematics The surface area of a triangular prism is always measured in cubic units. True False...
- M Mathematics 1) BRAINLIEST + 10 POINTS :)...
- M Mathematics 4) BRAINLIEST + 10 + POINTS! :)...
- M Mathematics 5) BRAINLIEST + 15 + POINTS! :D...
- M Mathematics Please help me now please...
Ответ:
The probability of selecting two Democrats and two Republicans is 0.4242.
Step-by-step explanation:
The information provided is as follows:
A city council consists of seven Democrats and five Republicans.A committee of four people is selected.In mathematics, the procedure to select k items from n distinct items, without replacement, is known as combinations.
The formula to compute the combinations of k items from n is given by the formula:
Compute the number of ways to select four people as follows:
Compute the number of ways to selected two Democrats as follows:
Compute the number of ways to selected two Republicans as follows:
Then the probability of selecting two Democrats and two Republicans as follows:
Thus, the probability of selecting two Democrats and two Republicans is 0.4242.
Ответ:
1/2 Q+5/2
divide 1/2 into each term
to divide multiply by the reciprocal
1/2 x2/1= 1
5/2 x 2/1=5
1/2(Q+5)