Question 3 of 10 Use the quadratic formula to find both solutions to the quadratic equation
given below.
3x2 - 7x-1=0
O A. x= -7 + 161
--7+
I B. X=
-7 -V61
6
C. X= 7-6
O D. X= 7+ 37
6
x = 7 +
UE. x= 7+61
=
6
OF X= 7 - 37
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Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?