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.
Comparison of normal-shaped erythro- cytes and the abnormal sickle shape noted in patients with sick
Changes in bronchioles during an asthma attack: (A) normal bronchiole and (B) in asthma attack.
IQ scores form what mathematicians call a normal distribution "bell curve"
The time at which the mailman delivers the mail to Ace Bike Shop follows a normal distribution ...
Rita borrows $4,500 from the bank at 9 percent annually compounded interest to be repaid in ...
Normal physiologic mechanisms of the body that restore homeostasis to the balance of serum calcium