Lincoln Junior High School receved the following bids to install air conditioners in each of ts classrooms Company
Bid Amount
Energy Giants-$2400 for 1 Classroom
Renaissance Coding$152030 for 5 Classrooms
Electrical Kings541.000 for 10 Classrooms
Part
Which company is the last expensive
Part B
Lincon Junior High School has a budget of $140,000 to install air conditioning in 40 classrooms which company or companies could Lincoln choose based on its budget?

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

The fraction of defective integrated circuits produced in a photolithography process is being studied. a random sample of 300 circuits is tested, revealing 17 defectives. (a) calculate a 95% two-sided confidence interval on the fraction of defective circuits produced by this particular tool. round the answers to 4 decimal places. less-than-or-equal-to p less-than-or-equal-to (b) calculate a 95% upper confidence bound on the fraction of defective circuits. round the answer to 4 decimal places. p less-than-or-equal-to

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?