Mathematics, 24.10.2021 08:10, Aaraar
A random sample of 14 students from a large university yields mean GPA 2.70 with sample standard deviation 0.50. Assume that the numerical population of GPAs from which the samples is taken has a normal distribution. Construct a 90% confidence interval for the mean GPA of all students at the university.
Answers: 1
Mathematics, 21.06.2019 15:00, tejasheree
Flashback to semester a. are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr? show your work.
Answers: 2
Mathematics, 21.06.2019 16:20, hann647
Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants
Answers: 1
A random sample of 14 students from a large university yields mean GPA 2.70 with sample standard dev...
Mathematics, 17.09.2021 02:30
Mathematics, 17.09.2021 02:30
Mathematics, 17.09.2021 02:30
Mathematics, 17.09.2021 02:30