Question

From an internship programme in which UWI students participated, Wall Street firms have concluded that there...

From an internship programme in which UWI students participated, Wall Street firms have concluded that there is an 18% chance the UWI students will perform better than the competition. What is the probability that in a random sample of 12 UWI students of that programme, 3 performed better than the competition?

0 0
Add a comment Improve this question Transcribed image text
Answer #1

Answer

it is a binomial distribution case with p = 0.18 and n = 12

we have to find the probability that exactly 3 performed better than competition

using the formula

setting p = 0.18, r = 3 and n = 12

Required probability is 0.2151

Add a comment
Know the answer?
Add Answer to:
From an internship programme in which UWI students participated, Wall Street firms have concluded that there...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • According to ILIR, 94% of eligible students participated in an internship during the previous school year....

    According to ILIR, 94% of eligible students participated in an internship during the previous school year. If we select a random sample of 5 ILIR students from then, what is the probability that: a) Between 2 and 4 of the students participated in an internship? b) At least 4 students participated in an internship? c) At most 4 students participated in an internship? When I do the problem, I'm using the formula: (n!/(x!*(n-x!))) * p^(x) * 1-p^(n-x). My answers seem...

  • Supposc Wall Street sccuritics firms paid out ycar-cnd bonuscs of $125,500 per cmploycc last ycar. We...

    Supposc Wall Street sccuritics firms paid out ycar-cnd bonuscs of $125,500 per cmploycc last ycar. We take a sample of cmployces at the ASBE sccuritics firm to scc whether the mcan year-end bonus is different from the reported mean of $125,500 for the population 0.001 You wish to test the following claim (H) at a significance level of a Ho: 125500 Ha: 125500 You believe the population is normally distributed and you know the standard deviation is a = 4300....

  • A group consists of 18 students, 12 of which are females. If two students are selected...

    A group consists of 18 students, 12 of which are females. If two students are selected at random from the group, one at a time and without replacement, what is the probability that the second student selected is female?

  • Suppose Wall Street securities firms paid out year-end bonuses of $125,500 per employee last year. We...

    Suppose Wall Street securities firms paid out year-end bonuses of $125,500 per employee last year. We take a sample of employees at the ASBE securities firm to see whether the mean year-end bonus is less than the reported mean of $125,500 for the population. You wish to test the following claim ( H a ) at a significance level of α = 0.05 . H o : μ = 125500 H a : μ < 125500 You believe the population...

  • The reading speed of second grade students in a large city is approximately​ normal, with a...

    The reading speed of second grade students in a large city is approximately​ normal, with a mean of 91 words per minute​ (wpm) and a standard deviation of 10 wpm. Complete parts​ (a) through​ (f). ​ (a) What is the probability a randomly selected student in the city will read more than 96 words per​ minute? The probability is nothing. ​(Round to four decimal places as​ needed.) Interpret this probability. Select the correct choice below and fill in the answer...

  • 7.13 A marketing survey is conducted in which students are to taste two different brands of...

    7.13 A marketing survey is conducted in which students are to taste two different brands of soft drink. Their task is to correctly identify the brand tasted. A random sample of 200 students is taken. Assume that the students have no ability to distinguish be- tween the two brands. a. What is the probability that the sample will have between 50% and 60% of the identifications correct? b. The probability is 90% that the sample percentage is contained within what...

  • Students across the U.S. take the ACT test, which has scores that are normally distributed with...

    Students across the U.S. take the ACT test, which has scores that are normally distributed with a mean of 21 with a standard deviation of 5. If 250 students are randomly selected, what is the probability that at least 15 of them will score a 29 or better? A small college has an entering freshmen class of 600 students. Of these, 240 have brought their own personal computers to campus. A random sample of 110 entering freshmen was taken. What...

  • In a university class that includes 120 students, mostly non-traditional, the Mean age is 32, with...

    In a university class that includes 120 students, mostly non-traditional, the Mean age is 32, with a standard deviation 12 students, and with a normal distribution. Six of these students are international students What is the probability that, if one student is picked at a random, he/she be a teenager (12 to 19 years old)? You need to (somewhat) critically think about this before tackling it!! 1. What is the probability that if ONE student is selected at random, he/she...

  • Exercise 9.17 (Algorithm Wall Street securities firms paid out record year end bonuses of $125.500 per...

    Exercise 9.17 (Algorithm Wall Street securities firms paid out record year end bonuses of $125.500 per employee for 2008 (tune, Foruary 6, 2006). Superettan mat the mom te weether end bonus is different from the reported mean of $125.500 for the population, rate the null and whernative hypotheses you would use to test whether the year-end bones paid by Jones Ayan var derent from the previsten van Molequal to 128.800 Hornot equal to 128.00 b. Suppose a sample of 40...

  • Harry Potter books have become popular with children and adults alike. A recent survey conducted in...

    Harry Potter books have become popular with children and adults alike. A recent survey conducted in London revealed that 64% high school students have read the first Harry Potter book. A random sample of 12 London high school students is taken, and the number of students who have read the first Harry Potter book is recorded. a) Define the random variable of interest and give its distribution, including the values of all the parameters.                           X = (Click to select)Probability...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT