For an environmental group, it is known that 75% of their door-to-door solicitations result in a donation of some kind. Find the probability that... (Hint: first determine what is a 'success' and what is a 'failure' base ...
|
If we believe the percent to be 75%, how many police officers must we survey to estimate the proportion of officers who graduated from a police academy if we want to ensure we can be 90% we are within 2% of the true prop ...
|
The National safety council reported that 52% of American turnpike drivers are men. A sample of 300 cars traveling southbound on the New Jersey Turnpike yesterday revealed that 170 were driven by men. At a 99% level of c ...
|
Consider the distribution of 17 numbers: 6,9,11,19,23,27,29,36,41,43,47,50,51,55,58,63,67 A distribution of medical data is Normal with Mean of 40 and Standard Deviation of 10; that is N(40,10) a. Betty's score is 5.17. ...
|
Let x be a random variable that represents the pH of arterial plasma (i.e., acidity of the blood). For healthy adults, the mean of the x distribution is μ = 7.4.† A new drug for arthritis has been developed. Howeve ...
|
How Do you calculate true population proportion if your defective sample is too small? For example, if you have 50 and defect is 4. Please look below for more details.
|
Wanda is going to Silver Dipper Ice Cream Shop to get a treat. She has 12 flavors of ice cream to choose from. There are 6 different types of toppings, and she may get her ice cream in a bowl, a regular cone, or a waffle ...
|
A college offers 2 introductory courses in history, 3 in science, 4 in philosophy, 4 in mathematics, and 5 in English. If a freshman takes one course in each area during her first semester, how many course selections are ...
|
The probability of someone ordering the daily special is 52%. If the restaurant expected 96 people for lunch, how many would you expect to order the daily special?
|
What is the annual coupon rate of a 7-year corporate bond given that its current price is $930, par = 1,000, semi-annual coupon, YTM=10%?
|
|