Answer:
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Explanation:
When a salesperson takes the time to make sure the selected customers actually need the products and have willingness and authority to buy, he is in the Prospecting step(qualifying) of the selling process.
<h3>What is the Sales Process Step?</h3>
There are seven steps in the sales process which are;
Now, we are told that the salesperson takes the time to make sure the selected customers actually need the products and have willingness and authority to buy.
This step is known as the prospecting step because in this step, you find potential customers and determine whether they have a need for your product or service—and whether they can afford what you offer. Evaluating whether the customers need your product or service and can afford it is known as qualifying.
When a salesperson takes the time to make sure the selected customers actually need the products and have willingness and authority to buy, he is in the Prospecting step(qualifying) of the selling process.
Read more about Sales process step at; brainly.com/question/25586322
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Using the z-distribution, it is found that the smallest sample size required to obtain the desired margin of error is of 4330.
<h3>What is a confidence interval of proportions?</h3>
A confidence interval of proportions is given by:
In which:
is the sample proportion.
The margin of error is given by:
In this problem:
- The estimate of the proportion is of
.
- The desired margin of error is of M = 0.01.
- 90% confidence level, hence
, z is the value of Z that has a p-value of 
, so 
.
Then, we solve for n to find the minimum sample size.
Rounding up, the smallest sample size required to obtain the desired margin of error is of 4330.
To learn more about the z-distribution, you can take a look at brainly.com/question/12517818
