2. A particular drug therapy is known to have a 70% cure rate. For a drug trial consisting of 40 patients construct the Binomial distribution and the cumulative distribution. Graph both distributions. Find the probability that: a) 20 people are cured. b) More than 30 people are cured. c) Between 17 and 25 people (inclusive) are cured. d) 10 people or fewer are cured. e) How many people do you expect to be cured?

2. A particular drug therapy is known to have a 70% cure rate. For a drug trial consisting of 40 patients construct the Binomial distribution and the cumulative distribution. Graph both distributions. Find the probability that: a) 20 people are cured. b) More than 30 people are cured. c) Between 17 and 25 people (inclusive) are cured. d) 10 people or fewer are cured. e) How many people do you expect to be cured?

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

See similar textbooks

Similar questions

S.N. Question Write your Answer 1 Simple Attributes (any 2) 2 Composite Attribute 3 Multivalued Attribute 4 Key Attributes (any 2) 5 Relationship attributes 6 Relationship is (1-to-1/ 1-to-many/many-to-many) 7 Participation of BOOK is (Optional/Mandatory) 8 Participation of SUPPLIER is (Optional/Mandatory)
Please type answer. How does the data analyst deal with validating data so that the business is confident in the results the reports are showing? Is it possible to do automatic validation in environments that have a large amount of data and if so, what are those processes?
If the salesperson's total for each year exceeds a specific tier level, they will receive bonus compensation. Who would receive a bonus and how much would they receive? what is the procedure in Excel?
please choose the most correct anwser.
Give some specific guidelines for defining entity types?
Can you explain how to do multiple regression in Excel, along with the necessary steps?
Please answer 13-15 explain and show the work of how you got the answer not a graded assignment
To see how accurate your trend line is, right click the line and select Describe Trend Line. Tableau will show you the regression equation and the p-value for its overall significance. Group of answer choices True False
Please answer below questions based on this dimensional model and additional information provided Q1: What is the maximum possible fact data volume in terms of record/row count? Answer: Q3: The m:n ratio from attribute B3 to attribute B4 is changed from 1:3 to 1:1 due to some organizational changes. By how many times the maximum possible fact data volume (by record count) decreases? Answer: Q4: If there is an aggregate fact table at quarter dimension level with other attributes B4, C5 and A3. What is the maximum possible record count of this aggregate table as per the current state mentioned above? Answer:
How the Use of the INDEX function to search for data in a sorted list, be useful and applicable in business and other transactions?
To evaluate data quality, there are six elements to consider.
There are six elements that may be used to evaluate data quality.