Mathematics, 22.11.2019 03:31 LilLappyLOL
In 1990, the mean height of women 20 years of age or older was 63.7 inches based on data obtained from the cdc. suppose that a random sample of 45 women who are 20 years of age or older in 2015 results in a mean height of 63.9 inches with a standard deviation of 0.5 inch. does your sample provide sufficient evidence that women today are taller than in 1990? perform the appropriate test at the 0.05 level of significance
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Mathematics, 21.06.2019 16:00
Hello people, i have a math question that i need with, me, i will give the correct one brainiest, and for the other correct people, a and 5 stars.
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Mathematics, 21.06.2019 17:00
Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?
Answers: 2
Mathematics, 22.06.2019 00:00
Let u = {q, r, s, t, u, v, w, x, y, z} a = {q, s, u, w, y} b = {q, s, y, z} c = {v, w, x, y, z}. list the elements in the set.a ∩ (b ∪ c)a) {q, s, w, y}b) {q, y, z}c) {q, s, u, w, y, z}d) {q, r, w, y, z}
Answers: 1
Mathematics, 22.06.2019 02:30
Acompany makes steel lids that have a diameter of 13 inches. what is the area of each lid? round your answer to the nearest hundredth
Answers: 2
In 1990, the mean height of women 20 years of age or older was 63.7 inches based on data obtained fr...
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