math help

At the first tri-city meeting, there are 8 people from town A, 7 people from town B, and 5 people from town C. If a council consisting of 5 people is randomly selected, find the probability that 3 are from town A and 2 are from town B.

  1. 👍 0
  2. 👎 0
  3. 👁 500
  1. Without restrictions, number of councils is
    C(20,5) or 15504

    I will assume you want exactly 3 from A and 2 from B, so that number is C(8,3)xC(7,2) or 1176

    so prob(of stated event) = 1176/15504
    = 49/646 or .07585

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. Spanish--check my answers please?

    Casas de cultura are geared toward____. young children teens adults all ages *** "Sobremesa " is an important cultural practice in the Spanish-speaking world that can best be described as ____. (1 point) a dance from southern

  2. Math

    The population of a town in 1920 was 3500 people. The town's population decreased linearly, and in 1927 the population was 3185. Find a formula for P, the town's population, in terms of t, the number of years since 1920.

  3. Math - Please Help Me!

    How many ways can an IRS auditor select 3 of 11 tax returns for an audit? There are 8 members on a board of directors. If they must form a subcommittee of 3 members, how many different subcommittees are possible? License plates

  4. Physics

    Town A lies 20 km north of town B. Town C lies 13 km west of town A. A small plane flies directly from town B to town C. What is the displacement of the plane. Please explain how you got the answer

  1. Trigonometry

    The populations, P, of six towns with time t in years are given by: I) P=1000(1.08)^t II) P= 600(1.12)^t III) P = 2500(0.9)^t IV) P=1200(1.185)^t V) P=800(0.78)^t VI) P=2000(0.99)^t a. Which towns are growing in size? Which are

  2. maths

    A town's population increased by 1200 people,and then this new population decreased 11%. The town now had 32 less people than it did before the 1200 increase. Find the original population.

  3. math

    a map is drawn using the scale 2 cm: 100 mi. on the map ,town b is 3.5 centimeters from town a, and town c is 2 centimeters past town b. how many miles apart are town a and town c

  4. Precal

    The number of people in a town of 10,000 who have heard a rumor started by a small group of people is given by the following function: N(t) = 10,000/(5 + 1245e-.97t) 14. How many people were in the group that started the rumor?

  1. math

    In a certain town, 25% of people commute to work by bicycle. If a person is selected randomly from the town, what are the odds against selecting someone who commutes by bibycle? A). 3:1 B). 3:4 C). 1:3 D). 4:1

  2. MATH

    Carter left Town A at noon, driving toward Town B at an average speed of 50 mph. At 12:30 P.M., Max headed from Town B to Town A along the same road. At 3 P.M., they met each other along the way, and Carter realized that he had

  3. algebra

    At the first tri-city meeting, there are 8 people from town A, 7 people from town B, and 5 people from town C. If a council consisting of 5 people is randomly selected, find the probability that 3 are from town A and 2 are from

  4. statistic

    A survey of households in a small town showed that in 500 of 1,200 sampled households, at least one member attended a town meeting during the year. Using the 95% level of confidence, what is the confidence interval for the

You can view more similar questions or ask a new question.