![subject](/tpl/images/cats/mat.png)
Mathematics, 19.12.2021 07:40 torresalysabeth
Suppose the scores of a standardized test are normally distributed. If the population standard deviation is 4 points, what minimum sample size is needed to be 95% confident that the sample mean is within 1 point of the true population mean?
z0.10, 1.282 : z0.05, 1.645 : z0.02, 51.960 : z0.01, 2.326 : z0.005, 2.576
Use the table above for the z-score, and be sure to round up to the nearest integer.
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:00
Asmall foreign car gete 42 miles per gallon and user 35 gallons on a trip.gasoline costs $1.05 per gallon.what was the cost of gasoline per mile driver?
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:00
In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:00
How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:30
Acompany charges $0.10 for each letter engraved. bobby plans to spend no more than $5.00 on the engraving on a jewelry box. write and solve an inequality to find the maximum number of letters he can have engraved.
Answers: 1
You know the right answer?
Suppose the scores of a standardized test are normally distributed. If the population standard devia...
Questions
![question](/tpl/images/cats/biologiya.png)
Biology, 11.03.2022 20:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 11.03.2022 20:00
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/istoriya.png)
History, 11.03.2022 20:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/en.png)
English, 11.03.2022 20:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.03.2022 20:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 11.03.2022 20:10