Mathematics, 04.12.2019 01:31, maddied2443
Suppose are running a study/poll about the proportion of voters who prefer candidate a. you randomly sample 86 people and find that 59 of them match the condition you are testing.
suppose you are have the following null and alternative hypotheses for a test you are running:
h0: p=0.68h0: p=0.68
ha: p< 0.68ha: p< 0.68
calculate the test statistic, rounded to 3 decimal places
Answers: 2
Mathematics, 21.06.2019 15:30, allysongonzalezlove0
Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?
Answers: 1
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
Suppose are running a study/poll about the proportion of voters who prefer candidate a. you randomly...
Mathematics, 13.03.2020 21:54
Mathematics, 13.03.2020 21:54