What is the probability that both of them scored above

Assignment Help Basic Statistics
Reference no: EM132384295

Suppose you can somehow choose two people at random who took the SAT in 2014. Scores were Normally distributed with mean and stanard deviation of 1497 and 322, respectively. What is the probability that both of them scored above a 1520? Assume that the scores of the two test takers are independent.

Reference no: EM132384295

Questions Cloud

What is the likelihood that the sample mean : A random sample of 64 employees is taken. What is the likelihood that the sample mean will be 9 hours or more?
Tests positive for breast cancer has breast cancer : Compute the probability that a female between the ages of 45 and 55 who tests positive for breast cancer has breast cancer. please place answer in 3 decimal pla
Write out the null and alternative hypotheses : Write out the null and alternative hypotheses for the following hypothetical proposal. Carry out a one-sample Z test to determine significance at the a=0.05
Find the expected value of the proposition : Find the expected value of the proposition. Round your answer to two decimal places. Losses must be expressed as negative values.
What is the probability that both of them scored above : What is the probability that both of them scored above a 1520? Assume that the scores of the two test takers are independent.
What is the value of the test statistic : Also suppose that the population standard deviation is known to be 18. A sample of 81 measurements reveals a mean of 35. What is the value of the test statistic
Produce a report which critically reviews the literature : Produce a report which critically reviews the literature on the role of emotional intelligence within the construction industry. You should present both sides
What is the probability that the teacher hangs : What is the probability that the teacher hangs the letter X Wednesday, the letter Y on Thursday, and the letter Z on Friday?
To what extent do UC benefits experienced by Boeing mirror : To what extent do the UC benefits experienced by Boeing mirror those of other firms that have deployed UC capabilities over converged IP networks?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Conclusion of the mean waiting time

At the .05 significance level, can we conclude that the mean waiting time is less than 3 minutes?

  Suppose x and y have joint density fxy are x and y

suppose x and y have joint density fxy. are x and y independent ifa fxy xe-x1y for xy gt 0b fxy 6xy2 when xy gt 0 and

  According to the penn state fact book for enrollment by

according to the penn state fact book for enrollment by ethnicity fall 2005 university park roughly 4 out of 5 students

  A specific automotive part that a service station stocks in

a specific automotive part that a service station stocks in its inventory has a 8 chance of being defective. suppose

  What kind of price discrimination is the trade equilibrium

Contrast the no-trade and the trade outcome assuming no arbitrage: that is, find equilibrium prices, quantities, and profits. Which do consumers prefer? What kind of price discrimination is the trade equilibrium?

  Explain what it means when a linear programming (lp) model

Company A is hoping to expand its operations and a small group of investors is visiting next week. You are tasked with the duty of explaining how Company A uses this information from a linear programming model to optimize its shipping.

  Use the following problem to determine the binding

use the following problem to determine the binding constraints for the optimal solution. max p 30x 40y4x 2y lt16 a2x

  Conclude that cream will improve skin of more women

Do the data provide sufficient evidence to conclude that the cream will improve the skin of more than 50% of women? Test using α=0.05 and the p-value method.

  Detla airlines quotes a flight time of 2 hours 5 minutes

detla airlines quotes a flight time of 2 hours 5 minutes for its flights from cincinnati to tampa. suppose we believe

  Determination software issues

At.05 significance level is it reasonable to conclude that it takes longer to determination software issues? Determine the p-value?

  Vote for justin trudeau in the next election or not

Suppose that an opinion survey asked citizens of Canada whether they would vote for Justin Trudeau in the next election or not.

  Formulate a hypothesis related to this statement

Suppose you hear an "old-timer" say, "Why, in my day, kids were much more respectful and didn't cause as much trouble as they do nowadays!" Formulate a hypothesis related to this statement that you could test. How would you test it

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd