Mathematics, 14.12.2019 00:31 izabellabyan
Astationery store wants to estimate the mean retail value of greeting cards that it has in its inventory. a random sample of 100 greeting cards indicates a mean value of $2.55 and a standard deviation of $0.44.a. asumming a normal distribution, construct a 95% confidence interval estimate of the mean value of all greeting cards in the store's inventory. b. suppose there were 2,500 greeting cards in the store's inventory. how are the results in (a) useful in assisting the store owner to estimate the total value of her inventory?
Answers: 1
Mathematics, 21.06.2019 12:30
In pqr the obtuse angle is 105 and the shorter sides measure 4 and 7 units rounded to the nearest tenth what is the area of triangle pqr
Answers: 2
Mathematics, 21.06.2019 20:30
2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.
Answers: 1
Mathematics, 21.06.2019 22:30
Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?
Answers: 2
Mathematics, 21.06.2019 23:30
What is the simplified form of square root of 400 to the 100th power ?
Answers: 1
Astationery store wants to estimate the mean retail value of greeting cards that it has in its inven...
Mathematics, 30.05.2020 00:03
Mathematics, 30.05.2020 00:03
Mathematics, 30.05.2020 00:03
Mathematics, 30.05.2020 00:03
Mathematics, 30.05.2020 00:03
Mathematics, 30.05.2020 00:03
Geography, 30.05.2020 00:03
Mathematics, 30.05.2020 00:03
English, 30.05.2020 00:03