Mathematics, 27.08.2021 05:50 medellincolombia99
Trọng lượng sản phẩm A do một máy sản xuất tự động là biến ngẫu nhiên có phân phối
chuẩn với trung bình 150g và độ lệch chuẩn 15g. Sản phẩm A được coi là đạt chuẩn nếu trọng
lượng của nó từ 145g đến 155g.
a. Tính tỷ lệ sản phẩm A đạt chuẩn do máy trên sản xuất.
b. Tính tỷ lệ phế phẩm của máy này.
Answers: 3
Mathematics, 21.06.2019 21:30
Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?
Answers: 1
Mathematics, 21.06.2019 21:30
80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent
Answers: 2
Mathematics, 21.06.2019 23:30
The scatterplot represents the total fee for hours renting a bike. the line of best fit for the data is y = 6.855x + 10.215. which table shows the correct residual values for the data set?
Answers: 1
Mathematics, 22.06.2019 00:30
Taber invested money in an account where interest is compounded every year.he made no withdrawals or deposits. the function a(t)=525(1+0.05)^t represent the amount of money in the account after t years. how much money did taber origanally invested?
Answers: 1
Trọng lượng sản phẩm A do một máy sản xuất tự động là biến ngẫu nhiên có phân phối
chuẩn với trung...
Mathematics, 04.09.2020 22:01
Mathematics, 04.09.2020 22:01
History, 04.09.2020 22:01
Mathematics, 04.09.2020 22:01
Mathematics, 04.09.2020 22:01
Mathematics, 04.09.2020 22:01
Social Studies, 04.09.2020 22:01
History, 04.09.2020 22:01
Mathematics, 04.09.2020 22:01
Mathematics, 04.09.2020 22:01
Mathematics, 04.09.2020 22:01