Homework Answers
Add Answer to:
someone help please!
DSC 11 U 10 Question 11 (1 point) iPhone 6 battery life -...
someone help me answer this question Previous Page Next Page Page 1 of 18 Question 1...
someone help me answer this question
Previous Page Next Page Page 1 of 18 Question 1 (1 point) Census - In 2020, Pew Research conducted a poll to examine how likely a person was to participate in the 2020 US Census based on their age. In a random sample of US adults aged 50 years or older, 84.56% said they were likely to participate in the Census. The estimated standard error of the sample proportion is 0.0107. A normal distribution...
The life in hours of a battery is known to be approximately normally distributed, with standard...
The life in hours of a battery is known to be approximately normally distributed, with standard deviation o = 1.25 hours. A random sample of 10 batteries has a mean life of x = 40.5 hours. (a) Is there evidence to support the claim that battery life exceeds 40 hours? Use a = 0.010. The battery life significantly different greater than 40 hours at a = 0.010. (b) What is the P-value for the test in part (a)? P-value =...
U/8 Points DETAILS PREVIOUS ANSWERS DEVURESTA19 5...052.NVA The lifetime of a certain type of battery is...
U/8 Points DETAILS PREVIOUS ANSWERS DEVURESTA19 5...052.NVA The lifetime of a certain type of battery is normally distributed with mean value 13 hours and standard deviation 1 hour. There are nine batteries in a package. What lifetime value is such that the total lifetime of all batteries in a package exceeds that value for only 5% of all packages? (Round your answer to two decimal places.) 14.65 hours Sud Work Romeo Last Response
*Show all work, the answer is given already* 1) The life in hours of a battery...
*Show all work, the answer is given already*
1) The life in hours of a battery is known to be approximately normally distributed with standard deviation o = 1.25 hours. A random sample of 10 batteries has a sample mean life 40.5 hours. Is there evidence to support the claim that battery life exceeds 40 hours? Use a = 0.5. Zo = 1.26 < 1.65 fail to reject H. What is the P-value for the test in part (a)? P-value...
The battery life of Westlight Electric's new battery is normally distributed with population mean of 600...
The battery life of Westlight Electric's new battery is normally distributed with population mean of 600 hours and population standard deviation of 75 hours. A simple random sample of 16 batteries is planned to be taken to check adherence to the standard of 600 hours. Suggestion: Assign the appropriate symbol to the numbers in this problem. What is the probability that the sample mean will be less than 570 hours? Round your answer to 4 decimal places. Answer = What...
Question 2 of 2 < > -/1 View Policies Current Attempt in Progress The life in...
Question 2 of 2 < > -/1 View Policies Current Attempt in Progress The life in hours of a battery is known to be approximately normally distributed, with standard deviation - 1.25 hours. A random sample of 10 batteries has a mean life of x = 40.5 hours. (a) Is there evidence to support the claim that battery life exceeds 40 hours? Use a = 0.045. The battery life significantly different greater than 40 hours at a -0.045. (b) What...
Question 1 Question 3 The amount of time it takes to see a doctor a CPT-Memorial...
Question 1
Question 3
The amount of time it takes to see a doctor a CPT-Memorial is normally distributed with a mean of 48 minutes and a standard deviation of 16 minutes. What is the Z-score for a 20 minute wait? Round your answer to two decimal places. Question 2 1 pts The battery life of the Iphone has an approximately normal distribution with a mean of 10 hours and a standard deviation of 2 hours. If you randomly select...
Next Page Previous Page Page 3 of 10 Question 3 (1 point) A random sample of...
Next Page Previous Page Page 3 of 10 Question 3 (1 point) A random sample of 85 group leaders and supervisors revealed that they worked an average of 6.5 years before being promoted. The population standard deviation was 1.7 years. What is the lower confidence limit for a 95% confidence interval? Express your solution rounded to two dedmal places (do not include symbols such as $ or %). Your Answer: Answer Page 3 of 10 Previous Page Next Page Submit...
Homework 14 Question 6 of 11 (1 point) Question Attempt: 1 of Unlimited EN 5 6...
Homework 14 Question 6 of 11 (1 point) Question Attempt: 1 of Unlimited EN 5 6 7 8 - 10 11 Suppose that the time required to complete a 1040R tax form is normally distributed with a mean of 100 minutes and a standard deviation of 15 minutes. What proportion of 10400 tax forms will be completed in at most 81 minutes? Round your answer to at least four decimal places. 0
Previous Page Next Page Page 10 of 10 Question 10 (4 points) A company in California...
Previous Page Next Page Page 10 of 10 Question 10 (4 points) A company in California is concerned about the time that its employees spend commuting to work. The one-way commute times for its employees are normally distributed with a mean of 35.5 minutes and a standard deviation of 5.0 minutes. What is the commute time that separates the longest 20.9% of commutes from the rest? [ENTER ANSWER AS A NUMBER OF MINUTES TO 2 DECIMAL PLACES, e.g. 15min 40sec...
someone help me answer this question
Previous Page Next Page Page 1 of 18 Question 1 (1 point) Census - In 2020, Pew Research conducted a poll to examine how likely a person was to participate in the 2020 US Census based on their age. In a random sample of US adults aged 50 years or older, 84.56% said they were likely to participate in the Census. The estimated standard error of the sample proportion is 0.0107. A normal distribution...
The life in hours of a battery is known to be approximately normally distributed, with standard deviation o = 1.25 hours. A random sample of 10 batteries has a mean life of x = 40.5 hours. (a) Is there evidence to support the claim that battery life exceeds 40 hours? Use a = 0.010. The battery life significantly different greater than 40 hours at a = 0.010. (b) What is the P-value for the test in part (a)? P-value =...
U/8 Points DETAILS PREVIOUS ANSWERS DEVURESTA19 5...052.NVA The lifetime of a certain type of battery is normally distributed with mean value 13 hours and standard deviation 1 hour. There are nine batteries in a package. What lifetime value is such that the total lifetime of all batteries in a package exceeds that value for only 5% of all packages? (Round your answer to two decimal places.) 14.65 hours Sud Work Romeo Last Response
*Show all work, the answer is given already*
1) The life in hours of a battery is known to be approximately normally distributed with standard deviation o = 1.25 hours. A random sample of 10 batteries has a sample mean life 40.5 hours. Is there evidence to support the claim that battery life exceeds 40 hours? Use a = 0.5. Zo = 1.26 < 1.65 fail to reject H. What is the P-value for the test in part (a)? P-value...
The battery life of Westlight Electric's new battery is normally distributed with population mean of 600 hours and population standard deviation of 75 hours. A simple random sample of 16 batteries is planned to be taken to check adherence to the standard of 600 hours. Suggestion: Assign the appropriate symbol to the numbers in this problem. What is the probability that the sample mean will be less than 570 hours? Round your answer to 4 decimal places. Answer = What...
Question 2 of 2 < > -/1 View Policies Current Attempt in Progress The life in hours of a battery is known to be approximately normally distributed, with standard deviation - 1.25 hours. A random sample of 10 batteries has a mean life of x = 40.5 hours. (a) Is there evidence to support the claim that battery life exceeds 40 hours? Use a = 0.045. The battery life significantly different greater than 40 hours at a -0.045. (b) What...
Question 1
Question 3
The amount of time it takes to see a doctor a CPT-Memorial is normally distributed with a mean of 48 minutes and a standard deviation of 16 minutes. What is the Z-score for a 20 minute wait? Round your answer to two decimal places. Question 2 1 pts The battery life of the Iphone has an approximately normal distribution with a mean of 10 hours and a standard deviation of 2 hours. If you randomly select...
Next Page Previous Page Page 3 of 10 Question 3 (1 point) A random sample of 85 group leaders and supervisors revealed that they worked an average of 6.5 years before being promoted. The population standard deviation was 1.7 years. What is the lower confidence limit for a 95% confidence interval? Express your solution rounded to two dedmal places (do not include symbols such as $ or %). Your Answer: Answer Page 3 of 10 Previous Page Next Page Submit...
Homework 14 Question 6 of 11 (1 point) Question Attempt: 1 of Unlimited EN 5 6 7 8 - 10 11 Suppose that the time required to complete a 1040R tax form is normally distributed with a mean of 100 minutes and a standard deviation of 15 minutes. What proportion of 10400 tax forms will be completed in at most 81 minutes? Round your answer to at least four decimal places. 0
Previous Page Next Page Page 10 of 10 Question 10 (4 points) A company in California is concerned about the time that its employees spend commuting to work. The one-way commute times for its employees are normally distributed with a mean of 35.5 minutes and a standard deviation of 5.0 minutes. What is the commute time that separates the longest 20.9% of commutes from the rest? [ENTER ANSWER AS A NUMBER OF MINUTES TO 2 DECIMAL PLACES, e.g. 15min 40sec...
Most questions answered within 3 hours.
-
5. Ethics deals with the moral quality, fitness, or propriety of
a course of action that...
asked 31 seconds from now -
Single Plantwide Factory Overhead Rate
Kennedy Appliance Inc.’s Machining Department incurred $102,900
of factory overhead cost...
asked 1 minute ago -
Two particles with charges +4e and -7e are
initially very far apart (effectively an infinite distance...
asked 12 minutes ago -
Holding all else constant, when teams face a binding roster
limit, the salary of players is...
asked 17 minutes ago -
1. When can parametric and non-parametric statistical tests be
used?
A. Parametric?
The independent variable is...
asked 25 minutes ago -
How can bacteria resist killing from cationic antimicrobial
peptides (CAMPs)? Choose all that apply. a. Use...
asked 32 minutes ago -
As an economic term, what is the definition of :Technological
Trends? Please try and keep the...
asked 33 minutes ago -
Labor demand will be less elastic in those labor markets in
which:
A.
the price elasticity...
asked 34 minutes ago -
5 situations are listed below and 8 reduction chemicals are
listed A-H below, match the letters...
asked 40 minutes ago -
1. If more spouses decide to quit their jobs to stay home with
their young children...
asked 43 minutes ago -
Please use algebraic manipulation to prove the following
statement:
x'y'z' + x'yz' + x'yz + xyz'...
asked 44 minutes ago -
3.Another patient has a family history in which:
1. the disease was equally distributed among the...
asked 47 minutes ago