You are teaching a course and present to students a quiz on upcoming material that is new to them. The quiz consists of 15

INSTRUCTIONS TO CANDIDATES

ANSWER ALL QUESTIONS

 

1. You are teaching a course and present to students a quiz on upcoming material that is new to them. The quiz consists of 15

questions of the following types:

o Five questions that are True/False

o Seven multiple choice question that have four answer choices

o Three multiple choice questions that have five answer choices

Assume no answers to any question are not dependent on answers to any other questions. Use this information to answer the

following:

A. What is the probability a student answers a total of three (3) questions correctly, one from each question type?

B. What is the average number of questions correct for this quiz?

2. The probability that a person contracts a cold when taking Vitamin C supplements is 0.20. If we have a random sample of 20

people taking such supplements and we know no more than 5 have contracted a cold, what is the probability the number of

people ¡n this sample with colds is exactly 3?

3. We know that heights of U.S. adult females is approximately normal with a mean of about 64 inches and standard deviation of

about 2.5 inches. If we know that a randomly selected U.S. adult female ¡s at least 66 inches tall, what is the probability they

are taller than 68 inches?

4. What is the answer to question three above if we take a random sample of nine (9) U.S. adult females? That is, if we know the

sample mean is at least 66 inches, what is the probability the sample mean is more than 68 inches?

 

Attachments:

Related Questions

. The fundamental operations of create, read, update, and delete (CRUD) in either Python or Java

CS 340 Milestone One Guidelines and Rubric  Overview: For this assignment, you will implement the fundamental operations of create, read, update,

. Develop a program to emulate a purchase transaction at a retail store. This  program will have two classes, a LineItem class and a Transaction class

Retail Transaction Programming Project  Project Requirements:  Develop a program to emulate a purchase transaction at a retail store. This

. The following program contains five errors. Identify the errors and fix them

7COM1028   Secure Systems Programming   Referral Coursework: Secure

. Accepts the following from a user: Item Name Item Quantity Item Price Allows the user to create a file to store the sales receipt contents

Create a GUI program that:Accepts the following from a user:Item NameItem QuantityItem PriceAllows the user to create a file to store the sales receip

. The final project will encompass developing a web service using a software stack and implementing an industry-standard interface. Regardless of whether you choose to pursue application development goals as a pure developer or as a software engineer

CS 340 Final Project Guidelines and Rubric  Overview The final project will encompass developing a web service using a software stack and impleme