问题
填空题
某校九年级一班体育兴趣小组四位同学的身高(单位:cm)分别为:170,170,166,174,则这四位同学的平均身高为______cm.
答案
四位同学的平均身高=
(170+170+166+174)=170(cm).1 4
故答案为170.
某校九年级一班体育兴趣小组四位同学的身高(单位:cm)分别为:170,170,166,174,则这四位同学的平均身高为______cm.
四位同学的平均身高=
(170+170+166+174)=170(cm).1 4
故答案为170.
An investor buys a call option with a $25 exercise price priced at $4 and writes a call option with a $40 exercise price priced at $2.50. If the Price of the stock increases to $50 at expiration and the options are exercised on the expiration date, the net profit at expiration (ignoring transaction costs) is:
A.
A. $8.50. |
B.
B. $13.50. |
C.
C. $16.50. |