Marketing research firms often contact their respondents by sampling random telephone numbers. Although interviewers currently reach about 76% of selected households, the percentage of those contacted who agree to cooperate with the survey has fallen and is now only 38%. Each household is assumed to be independent of the others.
a) What is the probability that the next household on the list will be contacted but will refuse to cooperate?
b) What is the probability of failing to contact a household or of contacting the household but not getting them to agree to the interview?
c) Show another way to calculate the probability in (b).
HowOur Website Works
1. FILL IN OUR SIMPLE ORDER FORM
It has never been easier to place your order. Fill in the initial requirements
in the small order form located on the home page and press “continue” button
to proceed to the main order form or press “order” button in the header menu.
Starting from there let our system intuitively guide you through all steps of
2. PROCEED WITH THE PAYMENT
All your payments are processed securely through PayPal. This enables us to
guarantee a 100% security of your funds and process payments swiftly.
3. WRITER ASSIGNMENT
Next, we match up your order details with the most qualified freelance writer
in your field.
4. WRITING PROCESS
Once we have found the most suitable writer for your assignment, they start
working on a masterpiece just for you!
Once finished, your final paper will be available for download through your
personal dashboard. You will also receive an email notification with a copy of
your paper attached to it. Sometimes, the writer may leave a note for you
about the order in case there is any additional information that they need to