Homework Answers
Ans ) we have given margin of error = 0.05
confidence level = 0.05
using excel>addin>phstat>sample size
we have
| Sample Size Determination | |
| Data | |
| Estimate of True Proportion | 0.5 |
| Sampling Error | 0.05 |
| Confidence Level | 90% |
| Intermediate Calculations | |
| Z Value | -1.6449 |
| Calculated Sample Size | 270.5543 |
| Result | |
| Sample Size Needed | 271 |
Ans a ) n= 271
Ams b _) if p = 0.68
| Sample Size Determination | |
| Data | |
| Estimate of True Proportion | 0.68 |
| Sampling Error | 0.05 |
| Confidence Level | 90% |
| Intermediate Calculations | |
| Z Value | -1.6449 |
| Calculated Sample Size | 235.4905 |
| Result | |
| Sample Size Needed | 236 |
n = 236
Add Answer to:
PLEASE I NEED HELP ASAP
The brand manager for a brand of toothpaste must plan a...
The brand manager for a brand of toothpaste must plan a campaign designed to increase brand...
The brand manager for a brand of toothpaste must plan a campaign designed to increase brand recognition. He wants to first determine the percentage of adults who have heard of the brand. How many adults must he survey in order to be 80% confident that his estimate is within five percentage points of the true population percentage? Complete parts (a) through (c) below. a) Assume that nothing is known about the percentage of adults who have heard of the brand....
The brand manager for a brand of toothpaste must plan a campaign designed to increase brand...
The brand manager for a brand of toothpaste must plan a campaign designed to increase brand recognition. He wants to first date the percentage of adults who have heard of the brand Howitany adults must be survey orto e o confident that is estimate is within percentage points of the tre population percentage? Complete parts (a) through e below. a) Asume that nothing is known about the percentage of adults who have heard of the brand, (Round up to the...
The brand manager for a brand of toothpaste must plan a campaign designed to increase brand...
The brand manager for a brand of toothpaste must plan a campaign designed to increase brand recognition. He wants to first determine the percentage of adults who have heard of the brand. How many adults must he survey in order to be 80% confident that his estimate is within five percentage points of the true population percentago? Complete parts (a) through (c) below a) Assume that nothing is known about the percentage of adults who have heard of the brand...
The brand manager for a brand of toothpaste must plan a campaign designed to increase brand...
The brand manager for a brand of toothpaste must plan a campaign designed to increase brand recognition. He wants to first determine the percentage of adults who have heard of the brand. How many adults must he survey in order to be 90% confident that his estimate is within five percentage points of the true population percentage? B) Assume that a recent survey suggests that about 79% of adults have heard of the brand. N = ?
The brand manager for a brand of toothpaste must plan a campaign designed to increase brand...
The brand manager for a brand of toothpaste must plan a campaign designed to increase brand recognition. He wants to first determine the percentage of adults who have heard of the brand. How many adults must he survey in order to be 90% confident that his estimate is within eight percentage points of the true population percentage? Complete parts (a) through (c) below. b) Assume that a recent survey suggests that about 84% of adults have heard of the brand.
The brand manager for a brand of toothpaste must plan a campaign designed to increase brand...
The brand manager for a brand of toothpaste must plan a campaign designed to increase brand recognition. He wants to first determine the percentage of adults who have heard of the brand. How many adults must he survey in order to be 95% confident that his estimate is within six percentage points of the true population percentage? Complete parts (a) through (c) below. a) Assume that nothing is known about the percentage of adults who have heard of the brand....
The brand manager for a brand of toothpaste must plan a campaign designed to increase brand...
The brand manager for a brand of toothpaste must plan a campaign designed to increase brand recognition. He wants to first determine the percentage of adults who have heard of the brand. How many adults must he survey in order to be 95% confident that his estimate is within seven percentage points of the true population percentage? Complete parts (a) through (c) below. a) Assume that nothing is known about the percentage of adults who have heard of the brand....
The brand manager for a brand of toothpaste must plan a campaign designed to increase brand...
The brand manager for a brand of toothpaste must plan a campaign designed to increase brand recognition. He wants to first determine the percentage of adults who have heard of the brand. How many adults must he survey in order to be 90% confident that his estimate is within eight percentage points of the true population percentage? Complete parts (a) through (c) below.
The brand manager for a brand of toothpaste must plan a campaign designated to increase brand...
The brand manager for a brand of toothpaste must plan a campaign designated to increase brand recognition. He wants to first determine the percentage of adults who have heard of the brand. How many adults must he survey in order to be 95% confident that his estimate is within seven percentage points of the true population percentage? Complete parts (a) through (c). a) Assume that nothing is known about the percentage of adults who have heard of the brand. n=...
1. 2. 3. In a survey of 3256 adults aged 57 through 85 years, it was...
1.
2.
3.
In a survey of 3256 adults aged 57 through 85 years, it was found that 88.2% of them used at least one prescription medication. Complete parts (a) through (c) below. a. How many of the 3256 subjects used at least one prescription medication? 2872 (Round to the nearest integer as needed.) b. Construct a 90% confidence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication. [%<p<% (Round...
The brand manager for a brand of toothpaste must plan a campaign designed to increase brand recognition. He wants to first determine the percentage of adults who have heard of the brand. How many adults must he survey in order to be 80% confident that his estimate is within five percentage points of the true population percentage? Complete parts (a) through (c) below. a) Assume that nothing is known about the percentage of adults who have heard of the brand....
The brand manager for a brand of toothpaste must plan a campaign designed to increase brand recognition. He wants to first date the percentage of adults who have heard of the brand Howitany adults must be survey orto e o confident that is estimate is within percentage points of the tre population percentage? Complete parts (a) through e below. a) Asume that nothing is known about the percentage of adults who have heard of the brand, (Round up to the...
The brand manager for a brand of toothpaste must plan a campaign designed to increase brand recognition. He wants to first determine the percentage of adults who have heard of the brand. How many adults must he survey in order to be 80% confident that his estimate is within five percentage points of the true population percentago? Complete parts (a) through (c) below a) Assume that nothing is known about the percentage of adults who have heard of the brand...
The brand manager for a brand of toothpaste must plan a campaign designed to increase brand recognition. He wants to first determine the percentage of adults who have heard of the brand. How many adults must he survey in order to be 95% confident that his estimate is within seven percentage points of the true population percentage? Complete parts (a) through (c) below. a) Assume that nothing is known about the percentage of adults who have heard of the brand....
1.
2.
3.
In a survey of 3256 adults aged 57 through 85 years, it was found that 88.2% of them used at least one prescription medication. Complete parts (a) through (c) below. a. How many of the 3256 subjects used at least one prescription medication? 2872 (Round to the nearest integer as needed.) b. Construct a 90% confidence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication. [%<p<% (Round...
Most questions answered within 3 hours.
-
The factory method and the abstract factory pattern use
different object oriented
mechanisms are used to...
asked 3 hours ago -
Given the data below for the monthly sales data at each branch in
your region for...
asked 4 hours ago -
Blossom Company owns 10000 of the 50000 outstanding shares of
Taylor, Inc. common stock. During 2018,...
asked 5 hours ago -
Calculate the following: ***SHOW ALL WORK!!!! Or
NO CREDIT*** Circle your answers. 8pts
each
In the...
asked 7 hours ago -
Bank Z is currently advertising interest rates on its checking
account. They claim to pay an...
asked 7 hours ago -
List two ways of transformation on the response variable that
can be used to deal with...
asked 8 hours ago -
If a 2000 ohm resistor has a -3.90 mA current going through it.
What is the...
asked 8 hours ago -
Please comment on the sentences.
Some types of jobs require more training than others. Some
companies...
asked 9 hours ago -
The )G01 for the hydrolysis of phosphorarginine
reaction depicted below is –32 kJ mol-1.
Phosphoarginine ...
asked 9 hours ago -
Cross a heterozygous blue-eyed goat with a homozygous brown-eyed
goat. Be sure to indicate which kids...
asked 10 hours ago -
Use the following information to answer the next two
questions.
Please refer to question 9-90. A...
asked 10 hours ago -
A solution containing 0.050 g of an unknown electrolyte in 2.50
g of cyclohexane was found...
asked 10 hours ago