Mathematics, 24.01.2022 08:50 AutumnJoy12
A population has a mean of 300 and a standard deviation of 80. Suppose a simple random sample of size 100 is selected and is
used to estimate 44. Use z-table.
a. What is the probability that the sample mean will be within +3 of the population mean (to 4 decimals)?
b. What is the probability that the sample mean will be within +14 of the population mean (to 4 decimals)?
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 17:30
How do you use the elimination method for this question? explain, because i really want to understand!
Answers: 1
Mathematics, 21.06.2019 17:30
The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?
Answers: 2
Mathematics, 21.06.2019 19:10
Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.
Answers: 3
Mathematics, 22.06.2019 02:10
Which option identifies how kevin should proceed in the following scenario? four years ago kevin designed an mp3 player for young children. now that technology has changed, he would like to update his design to ensure that it encompasses cutting-edge techniques. by creating a third-angle projection of his ideas by designing an isometric projection of his new ideas by referring to past designs and illustrations of his original model by conferring with engineers who have improved upon similar devices
Answers: 3
You know the right answer?
A population has a mean of 300 and a standard deviation of 80. Suppose a simple random sample of siz...
Questions
Mathematics, 19.12.2019 07:31
Mathematics, 19.12.2019 07:31
Biology, 19.12.2019 07:31
Mathematics, 19.12.2019 07:31
Business, 19.12.2019 07:31
Computers and Technology, 19.12.2019 07:31
