Ephemeral services corporation (esco) knows that nine other companies besides esco are bidding for a $900,000 government contract. each company has an equal chance of being awarded the contract. if esco has already spent $100,000 in developing its bidding proposal, what is its expected net profit? rev: 06_21_2017_qc_cs-91964 -

a. $10,000

b. $0

c. $100,000

d. $90,000

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?