Eq. of given line is x = -2 》x + 2 = 0
I believe #1 is a prism and #2 is a cylinder. <span />
Answer:
a) 4.387
b) Yes, because np & npq are greater than 10.
c) = 0.017
Step-by-step explanation:
Give data:
p = 0.69
n = 90
a) a
E(X) = np = 62.1


= 4.387
b)
np = 62.1
q = 1 - p = 1 - 0.69 = 0.31
npq = 19.251
Yes, because np & npq are greater than 10.
c.
[continuity correction]

= P(Z> 2.14 )
= 1 - P(Z<2.14)
= 1 - 0.983 (using table)
= 0.017
Original amount = $234
Discount = 15% of $234 = 0.15 x 234 = $35.10
Sale Price = $234 - $35.10 = $198.90
----------------------------------------------
Answer : Sale Price is $198.90
----------------------------------------------