On a test to obtain a securities license there are 10 questions with possible answers A, B, C, D, & E with probability of getting thecorrect answer is 70%. A student is taking this test , what is the probability of getting at least 4 correct by guessing on the 10?A0.0106B0.95270.98940.2510

The experiment has two chances which has been repeated n number of trials. The chance of experiments…

Answered: On a test to obtain a securities…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Using two-point method, we observe that: When the probability of stock out is 18%, the sales level is 7550 items/week. When the product availability is 8%, the sales level is 8000 items/week. a) What is the sales level if the probability of stock out is 11%? b) What is the sales level if the service level is 95%?
The CDC starts decides to take 45% of the population of the United States and use the vaccine on them to create an immunity to the virus. Of the people who take the vaccine, 82% receive an immunity to the virus. Of those who do not receive the vaccine, about 7% receive a natural immunity. Use this information to determine the following:19) What is the probability that a person will develop an immunity to the virus 20) What is the probability that a person will get the vaccine and develop the immunity? 21) What is the probability that a person will get an immunity given they took the vaccine?
Probability of taking route 1 is 30% and taking route 2 is 70%.The probability of being late to the meeting is 5% under the condition that route 1 is taken and 10% when route 2 is taken.a) Calculate the probability that he/she is late for the meeting.b) Given that he/she is late for the meeting, what is the probability that he/she used route 1?
Explain how I can write or put the 60 and 4 bracket into a scientific calculator and also what does this bracket sign means . thanks
A = 88 , B = 4 , C = 1
2. On average, a saleslady in a department store spends with her customer is 4 minutes. a) Find the probability that the saleslady spends more than 3 minutes with a customer? b) Find the probability that the saleslady spends between 4 to 5 minutes with a customer?
Suppose that 35% of people own dogs. If you pick two people at random, what is the probability that they both own a dog?Give your answer as a decimal (to at least 3 places) or fraction
Suppose the probability of raining during summer (a 100 days covering June to August) is 2%. It means that every summer, there will be exactly 2 days (2% x 100) with rain. a) True b) False
How would you write a.) The probability that more than 44 crashes occur today b.) The probability that less than 42 crashes occure today c.) The probability that between 42 and 44 crashes occur today
Need help pls!
An unreliable company produces a large shipment of blenders where 13% have a defective motor, and 25% have a defective electrical cord and 5% have both defects. If you randomly select a blender in this shipment, find the probability that it has... a) only a defective electrical cord. Write your answer as a percent rounded to 1 decimal place. b) a good motor. Write your answer as a percent rounded to 1 decimal place. c) a good motor and a good electrical cord. Write your answer as a percent rounded to 1 decimal place.
Solve it correctly please. I will rate accordingly with 4votes.

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