QUESTION 9In a recent survey, Computer Engineers were asked what is their favorite programming language. The table below shows their responses.PythonProgramminglanguageFrequency9718131If a computer engineer is randomly selected, what is the probability that he/she prefers Python or C++? Round your answer to four decimalplaces.83JavaScriptC++77GOPHP

From the provided information, Programming language Python Java Script C++ GO PHP Frequency 83…

Answered: In a recent survey, Computer Engineers…

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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Mr. Caywood filled out a bracket for the NCAA National Tournament. Based on his knowledge of college basketball, he has a 0.48 probability of guessing any one game correctly. The first answer you can express in scientific notation or as a decimal with at least three non-zero signficant digits. The second and last can be answered as decimals rounded to three places. What is the probability he will pick all 32 of the first round games correctly? What is the probability he will pick exactly 21 games correctly in the first round? What is the probability he will pick exactly 10 games incorrectly in the first round?
A lecturer wants to know if his statistics class has a good grasp of basic maths from matric level. Eleven students are chosen at random from the class and given a maths proficiency test. The lecturer wants the class to be able to score above 75 on the test to show that they had a good grasp of basic maths. The eleven students get scores shown below:62 | 88 |71 |50 |67| 70 |92 |75| 68 |83 |95Can the lecturer be 95 percent confident that the students had a good grasp of basic maths?
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A thief steals an ATM card and must randomly guess the correct three-digit pin code from a 7-key keypad. Repetition of digits is allowed. What is the probability of a correct guess on the first try? The number of possible code is__?? (Type an integer or fraction. Simplify your answer) The probability that the correct code is given in the first try is __?? (Type an integer or fraction. Simplify your answer.)
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