How do cell-phone companies make money by charging a flatrate per month for a set number of minutes, such as $50 for300 minutes? Can you think of a more profitable plan? Wouldit appeal to consumers? Why or why not?

I am at the solution for this problem located here:  https://www.bartleby.com/questions-and-answers/during-the-morning-hours-at-a-catalog-sales-department-telephone-calls-come-in-at-the-rate-poisson-o/84d565ca-a1df-41b5-9faf-34fcebd84805      I just don't understand how they arrive with the solution below:   0.3903 = 1-P / 0.2963037 1-P = 0.1156.  I just don't understand the math here.  Any help in understanding will be extremely appreciate>

Who is the target market for Hotels.com (Expedia Group)?

How would you determine whether a firm’s retail prices are above, at, or below the market?

Imagine you are considering starting your own retail business. Narrow your business ideas to selling one type of perishable goods (such as a bakery) and one type of non-perishable goods (such as a clothing boutique) and share that decision with the class. Discuss the pros and cons of selling each type of item. Between the perishable items or non-perishable items businesses, which would you choose? Why? share one perishable goods business and one non-perishable goods businessdiscuss pros and consdisclose which business you would pursueexplain why you made the decision that you did

How can I describe the Insurance company launching a new medical product for the health insurance exchange? and How can I Describe the value of the services offered by the healthcare product? Using Reference in APA 7TH ed

Please help me with my business plan our product is clothes for men and women aging from 15-40years old can you make a primary and secondary markwt for that?please thankyou

Where does the manager of a pharmacy find the information on kinds, types and prices of drugs his customers want? Please answer at your own easy words.

Does the brand of food matter when grocery shopping?

When shopping for a new car, which of the following should be the first step in the buying process? Calculate how much you can afford. Shop for a loan. Determine your transportation need. Obtain an estimate for auto insurance.