Reference no: EM131167915
In a sample of 1100 U.S. adults,172dine out at a restaurant more than once per week. Two U.S. adults are selected at random from the population of all U.S. adults without replacement. Assuming the sample is representative of all U.S. adults, complete parts (a) through (d).
(a) Find the probability that both adults dine out more than once per week.The probability that both adults dine out more than once per week is nothing. (Round to three decimal places as needed.)
(b) Find the probability that neither adult dines out more than once per week.The probability that neither adult dines out more than once per week is nothing. (Round to three decimal places as needed.)
(c) Find the probability that at least one of the two adults dines out more than once per week.The probability that at least one of the two adults dines out more than once per week is nothing.(Round to three decimal places as needed.)
(d) Which of the events can be considered unusual? Explain. Select all that apply.
A.None of these events are unusual.
B. The event in part (c) is unusual because its probability is less than or equal to 0.05.
C.The event in part left parenthesis a right parenthesis is unusual because its probability is less than or equal to 0.05.
D.The event in part (b) is unusual because its probability is less than or equal to 0.05.
|
Placing four books into the backpack
: A student has seven books that she would like to place in her backpack. However, there is room for only four books. Regardless of the arrangement, how many ways are there of placing four books into the backpack?
|
|
Describe the frame-stewart algorithm for moving the disks
: Involve the reve's puzzle, the variation of the tower of hanoi puzzle with four pegs and n disks. Before presenting these exercises, we describe the Frame-Stewart algorithm for moving the disks from peg 1 to peg 4 so that no disk is ever on top of..
|
|
How tall do you predict their son to be
: If a mother and father are 73 and 80 inches tall, respectively, how tall do you predict their son to be? Explain why this is called "regression toward the mean."
|
|
What is the break-even point for the upgrades
: What is the break-even point for the upgrades? That is, what price would be charged for both upgrades to make their cost and performance improvement equal?
|
|
Representative of all us adults
: In a sample of 1100 U.S. adults,172dine out at a restaurant more than once per week. Two U.S. adults are selected at random from the population of all U.S. adults without replacement. Assuming the sample is representative of all U.S. adults, comp..
|
|
What is meant by the term government-by-proxy
: Can you develop a 400 word essay that answers the question: Examine what is meant by the term government-by-proxy, how it was used during Hurricane Katrina, and some of the pros and cons of this system
|
|
What is the new least squares line
: If you double each value of X, what is the new least squares line? - If you triple each value of Y, what is the new least squares line?
|
|
How many conductors will be required
: If an address bus needs to be able to address eight devices, how many conductors will be required? What if each of those devices also needs to be able to talk back to the I/O control device?
|
|
What are advantages of using each location that you cited
: Why do differing systems place disk directories in different track locations on the disk? What are the advantages of using each location that you cited?
|