Mathematics, 21.12.2019 05:31 abee122
Aproduct developer wants to determine if there is a difference in the proportion of people who have a specific brand of smart phone in the u. s. and poland. a sample of 10,500 people in the u. s. was obtained and 3,000 reported that they owned the type of smart phone in question. in poland, 5,000 people were surveyed and 1,250 said they owned the smart phone. the developer knows that a z-test for two population proportions is needed to analyze the data but is not sure how to calculate it and he turns to you for . based upon the information provided, what is the value of z
Answers: 1
Mathematics, 21.06.2019 14:30
The la dodgers hit the most homeruns in 2014. the number of homeruns accounted for 6% of the entire major leauge baseball homerun count. if 583 total homeruns were hit, approximately how many did the la dodgers hit
Answers: 1
Mathematics, 21.06.2019 18:40
Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?
Answers: 2
Mathematics, 21.06.2019 19:10
How many solutions does the nonlinear system of equations graphed below have?
Answers: 2
Mathematics, 21.06.2019 21:30
The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet
Answers: 3
Aproduct developer wants to determine if there is a difference in the proportion of people who have...
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