Answer:
see explanation
Step-by-step explanation:
These are the terms of a geometric sequence with n th term
= a
Where a is the first term and r the common ratio
r = =
=
= 2
and a = 5, hence explicit equation is
= 5
OPEN MIDDLE - Building Shelves 1 Directions: Using the digits 0 to 9 at most one time each, fill in the boxes to make the follow
1 answer:
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Answer:
Step-by-step explanation:
Let X be average interest paid monthly by a bank's Visa cardholders
Given that X is N(28, 8)
In the following to find out probability we convert X to z score and use std normal distribution table
Z =
Probability being less than 1 is here equal to the proportion also.
A) P(X>32) = P(Z>0.5)=0.5-0.1915=0.3085
B) P(X>40) = P(Z>1)=0.5-0.3413=0.1687
C) P(X<19) = P(Z<-1.125)=0.5-0.0438=0.4562
D) We have to find 19th percentile here
Z =-0.88