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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B) C) Suppose the probability of a dropped cell phone call is 0.05. What is the probability that exactly 2 out of the next 20 calls placed on a cell phone will drop? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a 0.925 b d 0.075 e 0.567 0.736 Suppose the probability of a dropped cell phone call is 0.05. What is the probability that exactly 2 out of the next 20 calls placed on a cell phone will drop? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. 0.189 a 0.925 b 0.736 с 0.189 d 0.075 a b According to Auto World Magazine, 18.8% of luxury cars are silver. A large car dealership typically sells 50 luxury cars a month. If X represents the number of silver luxury cars sold in a typical month and the model is Binomial, what is the expected value of X? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. с d 0.567 7.63 9.4 40.6 2.76…
A = 88 , B = 4 , C = 1
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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?
There are a total of 22 people in an application pool, that are equally qualified for a job. The pool consists of; 10 people from California 7 people from Nevada. 5 people from Arizonia. There are 3 job openings for three different people. Type your answers as a decimal to 4 decimal places. 1. What is the probability that all three people are from California? 2. What is the probability that not all three people are from California? 3. What is the probability that none of the three people are from California?
The probability of visiting the zoo is 0.80. The probability of visiting the caverns is 0.55. The probability of visiting both is 0.42. What is the probability of the visiting the zoo or the caverns? 1) 0.93 2) 0.44 3) 1.35 4) 0
SOLVE STEP BY STEP PLEASE IN DIGITAL FORMAT XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX It was determined that 75% of UNAM students smoke frequently, a sample of 100 students was taken a) What is the probability that the proportion of the sample of students who smoke is less than 0.65? b) What is the probability that the proportion of the sample of students who smoke is greater than 0.65?
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There are a total of 24 people in an application pool, that are equally qualified for a job. The pool consists of; 10 people from California 9 people from Nevada. 5 people from Arizonia. There are 3 job openings for three different people. Type your answers as a decimal to 4 decimal places. 1. What is the probability that all three people are from California? 2. What is the probability that not all three people are from California? 3. What is the probability that none of the three people are from California? 4. What is the probability that one is from California and two are from Nevada? 5. What is the probability that the first one is from California and the next two are from Nevada? 6. What is the probability that each is from a different state?
The identification code on a bank card consists of 1 digit followed by 2 letters. The code must meet the following conditions: The digit must be odd. The letters A, E, I, O, and U cannot be used. Letters cannot be used more than once. What is the probability that someone guesses the identification code correctly?
Suppose, you are attending an exam where there are 9 multiple choice questions with 3 options in each. A question can have multiple correct answers and in that case, you have to tick all of the correct choices to get the question right. a. What is the probability that you’ll get exactly 6 of the questions right? b. What is the probability that you’ll get at most 6 of the questions right?
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