Question

Suppose that 55 people are divided in a random manner into three groups in such a...

Suppose that 55 people are divided in a random manner into three groups in such a way that one group contains 10 people, the second group contains 20 people, and the third group contains 25 people. What is the probability that two particular people will be in the same group?

Math   Advanced-Math   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A group of 22 people is divided into two groups of 11: Group A and Group...
A group of 22 people is divided into two groups of 11: Group A and Group B (note that the labels distinguish the groups and you do not have to worry about double counting). What is the probability that two friends, Jim and Tom, are not in the same group?
Six​ people, call them​ A, B,​ C, D,​ E, and​ F, are randomly divided into three...
Six​ people, call them​ A, B,​ C, D,​ E, and​ F, are randomly divided into three groups of two. Find the probability that A and B are in the same​ group, as are C and D.​ (Do not impose unwanted ordering among​ groups.) The probability that A and B are in the same​ group, as are C and D is
Suppose that n people are seated in a random manner in a row of n theater...
Suppose that n people are seated in a random manner in a row of n theater seats. What is the probability that two particular people A and B will be seated next to each other? Can you provide a detailed explanation on the steps and process you use? Do you use combinations or permutations to solve for the answer? The answer should be n/2, according to my book, but I don't know how to get it.
Fifty people with sore legs are randomly divided into two groups. OneFifty people with sore legs...
Fifty people with sore legs are randomly divided into two groups. OneFifty people with sore legs are randomly divided into two groups. One group is treated weekly with energetic music and an exercise regimen. The other is treated with weekly with exactly the same exercise regimen comma but not exactly the same exercise regimen, but no energetic music.After one​ year, both groups are questioned about their sore legs.questioned about their sore legs. a. Identify the response variable and the explanatory...
Suppose there is a random sample of 1,048 observations, divided into four groups. The table below...
Suppose there is a random sample of 1,048 observations, divided into four groups. The table below summarizes the observations that were seen in each group. Group 1 Group 2 Group 3 Group 4 493 189 115 251 We are interested in testing the Null hypothesis Observed=Expected, under the assumption that the expected proportions are  .50, .20, .10, and .20 for the 4 groups, respectively. What are the expected values? Group 1 Group 2 Group 3 Group 4 What is the value...
Suppose there is a random sample of 100 observations, divided into three groups. The table below...
Suppose there is a random sample of 100 observations, divided into three groups. The table below summarizes the count of observations that were seen in each group. Group 1 =51 Group 2 =17 Group 3 = 32 We are interested in testing the null hypothesis H0:p1=0.5,p2=0.2,p3=0.3, against the alternative hypothesis HA: At least one proportion is incorrect. a) What is the value of the test statistic? Round your response to at least 2 decimal places. b) What conclusion can be...
Suppose there is a random sample of n observations, divided into four groups. The table below...
Suppose there is a random sample of n observations, divided into four groups. The table below summarizes the count of observations that were seen in each group. Group 1 -36 Group 2 -30 Group 3 -68 Group 4 -45 We are interested in testing the null hypothesis H0:p1=p2=p3=p4=0.25, against the alternative hypothesis HA:Atleastoneproportionisincorrect. What is the expected count for each of the groups? Expected: _______ What is the value of the test statistic? _______Round your response to at least 2...
(S 12.1) Suppose there is a random sample of n observations, divided into four groups. The...
(S 12.1) Suppose there is a random sample of n observations, divided into four groups. The table below summarizes the count of observations that were seen in each group. Group 1 Group 2 Group 3 Group 4 24 38 50 34 We are interested in testing the null hypothesis H0:p1=p2=p3=p4=0.25, against the alternative hypothesis HA:Atleastoneproportionisincorrect. What is the expected count for each of the groups? Expected:   What is the value of the test statistic? Round your response to at least...
Three people are selected at random.20 (a) What is the probability that the first person is...
Three people are selected at random.20 (a) What is the probability that the first person is male and right-handed? (b) What is the probability that the first two people are male and right-handed?. (c) What is the probability that the third person is female and left-handed? (d) What is the probability that the first two people are male and right-handed and the third person is female and left-handed? Sometimes we wonder if one outcome provides useful information about another outcome....
Suppose that a random sample of 1000 potential voters was randomly divided into two groups. Group...
Suppose that a random sample of 1000 potential voters was randomly divided into two groups. Group 1: 470 potential voters; no registration reminders sent; 230 registered to vote Group 2: 530 potential voters; registration reminders sent; 350 registered to vote Do these data support the claim that proportion of voters who registered was greater in the group that received reminders than in the group that did not, at the 5% significance level? 1. a) Describe in words and symbols the...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT