Binomial Probability Binomial Probability A saleswoman has 6 presentations scheduled for the coming month. Historically, 20% of her presentations have resulted in sales. It is reasonable to assume that her chance of making a sale in any given presentation is not affected by what happens in any other presentation. Find the following probabilities: Answer the following questions based on the scenario: 2.1 What is the probability that she makes 1 sale during the coming month? (5) 2.2 What is the probability that she makes no sale during the coming month? (5)
Added by Kimberly S.
Close
Step 1
In this scenario, the saleswoman has 6 presentations scheduled for the coming month. Show more…
Show all steps
Your feedback will help us improve your experience
Supreeta N and 78 other Intro Stats / AP Statistics educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Find the probability of the following. 1. At a private Teacher's convention held in Baguio recently there are seven Math teachers, five Science Teachers, 3 English Teachers, and 4 TLE Teachers. If a teacher is selected, find the probability of getting a math or science teacher. 2. An automobile dealer decides to select a month for its annual sale. Find the probability that it will be june or July.
Jason H.
5. The probability of selling a promotional product to a customer is 20%. In one day, a promoter approaches 50 people. a. What is the probability of selling exactly 20 products? (2) b. What is the probability of selling exactly 50 products? (2) c. What is the probability he will sell at least 10 products? (2) d. What is the probability he will sell at most 10 products? (2) e. We say that an event is unusual if it occurs 5% or less of the times. i. Would it be unusual if he sold 10 products? Show work to support answer. (3) ii. Would it be unusual if he sold 15 products? Show work to support answer (3)
T. L.
A telephone saleswoman arranges a sequence of interviews of potential customers in order to sell them an insurance policy. She believes that her success rate in completing a sale in any interview is 10 %. Provide answers to the following to 3 decimal places. Part a) What is the probability that she fails to make a sale on the first five interviews? 0.5904 Part b) What is the probability that she makes her first sale on the fourth interview? 0.0729 Part c) What is the probability that the second sale is made on the eighth interview?
David N.
Recommended Textbooks
Elementary Statistics a Step by Step Approach
The Practice of Statistics for AP
Introductory Statistics
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD