Approximate the following binomial probabilities by the use of normal approximation. Eight percent of customers of a bank keep a minimum balance of 500 in their checking accounts. What is the probability that in a random sample of 100 customers
a. exactly 6 keep the minimum balance of 500?
b. exactly 11 keep the minimum balance of 500?
c. 6 or fewer keep the minimum balance of 500?
d. 5 or more keep the minimum balance of 500?
e. 10 or fewer keep the minimum balance of 500?
f. 11 or fewer keep the minimum balance of 500?
Question 2
In a residual plot against x that does not suggest we should challenge the assumptions of our regression model, we would expect to see a
a. horizontal band of points centered near zero.
b. widening band of points around the x-axis.
c. band of points having a slope consistent with that of the regression equation.
d. parabolic band of points centered at the origin.
(A) Normal spongy bone. (B) Spongy bone with osteoporosis, which is characterized by a loss of bone
Glioma. (a) Illustration of a large glioma (colored area) within the left cerebral hemisphere in a s
Electrocardiography. (a) Electrodes are placed on the patient’s chest to record the electrical event
Normal electrocardiogram tracing
The karyotype of an XYY male. Affected individuals are usually taller than normal, and some, but not
Trapezoidal rule (approximation with four rectangles)