![subject](/tpl/images/cats/mat.png)
Mathematics, 25.11.2021 06:20 ambinicole66
scores on a certain test are normally distributed with a standard deviation of 70. A researcher wishes to estimate the mean score achieved by all adults on the test. Find the sample size needed to assure with 95 precent confidence that the sample mean will not differ from the population mean by more than 2.5 units
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 14:20
Factor p 2 + 18p + 32. (p+ 4)(p + 8) (p + 2)p+ 16) (p + 16)2
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:00
Data are collected to see how many ice-cream cones are sold at a ballpark in a week. day 1 is sunday and day 7 is the following saturday. use the data from the table to create a scatter plot.
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:00
Three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder ( ! : ”0 )
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:40
Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.
Answers: 3
You know the right answer?
scores on a certain test are normally distributed with a standard deviation of 70. A researcher wish...
Questions
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 23.03.2021 07:10
![question](/tpl/images/cats/mat.png)
Mathematics, 23.03.2021 07:10
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 23.03.2021 07:10
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 23.03.2021 07:10
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 23.03.2021 07:10
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.03.2021 07:10
![question](/tpl/images/cats/mat.png)
Mathematics, 23.03.2021 07:10
![question](/tpl/images/cats/en.png)
English, 23.03.2021 07:10
![question](/tpl/images/cats/en.png)
English, 23.03.2021 07:10
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/en.png)
English, 23.03.2021 07:10
![question](/tpl/images/cats/mat.png)
Mathematics, 23.03.2021 07:10
![question](/tpl/images/cats/en.png)
English, 23.03.2021 07:10
![question](/tpl/images/cats/mat.png)
Mathematics, 23.03.2021 07:10