statitics question/HELP!

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johnson10

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draw a tree diagram showing the analysis of the following problem. (show codes and percentages for eacch outcome clearly). the answer the questions below based on the tree diagram

A salesperson goes door to door selling a service. the salesperson will knock on 3 doors today, w/a 1 in 3 chance of selling to a customer on any given attempt. (fractions may prove more stragiht foward).
a) waht are the chances of making three sales?
b) waht are the chances of making at least one sale?
 
johnson10 said:
draw a tree diagram showing the analysis of the following problem. (show codes and percentages for eacch outcome clearly). the answer the questions below based on the tree diagram

A salesperson goes door to door selling a service. the salesperson will knock on 3 doors today, w/a 1 in 3 chance of selling to a customer on any given attempt. (fractions may prove more stragiht foward).
a) waht are the chances of making three sales?
b) waht are the chances of making at least one sale?
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You are posting problems - without showing any work - that won't do.

Please share your work with us, indicating exactly where you are stuck - so that we may know where to begin to help you.
 
sample correlation coefficient r's direction can be determined using a scatter diagram. what does looking close to+1.00 mean?
 
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