What role do civil engineers play in addressing traffic congestion?

What is the purpose of implementing dedicated bus lanes in cities?

What was the amount of time drivers in San Jose spent in traffic annually?

What is the main problem civil engineers are focusing on solving?

What is the main benefit of public transportation investment?

Compute F(2), where F is the cumulative distribution function of X. Provide 4 digits after the decimal point.

Suppose Cov(X,Y) = -1. Find the mean of 3XY + 4. 

Find the 0.8 quantile of Y. Provide 4 digits after the decimal point. 

As a manager of a shop, you have an access to the past sales data, which indicates that the daily average sales is $800 with the standard deviation $120. Suppose the breakeven sales target of this month is $10,000 and there are 16 business days for the shop on this month. Then, the probability that the sales break even can be approximated by 

[Q17 – Q23] Let Y be a random variable with probability density function , for . Answer the following questions. Show your work for all questions.