Mathematics, 23.08.2020 01:01 Tirone
Spencer sampled 50 students of a private school who were questioned about their scores in Mathematics. Spencer wants to test the hypothesis that the private school students score better than the general public which has an average of 62 marks with a population standard deviation of 7 marks. Z= If the sample mean is 65 marks, what is the z-score? Answers are rounded to the hundredths place.
a.) -3.84
b.) 1.56
c.) 3.03
d.) -2.56
Answers: 3
Mathematics, 21.06.2019 13:30
Estimate the product. round the first factor to the nearest whole number, round the second factor to the nearest ten, and then multiply. 3 8/9 × 96
Answers: 3
Mathematics, 21.06.2019 15:10
5.(04.07) two different plants grow each year at different rates, which are represented by the functions f(x) = 4* and g(x) = 5x + 2. what is the first year the f(x) height is greater than the g(x) height? year 3 year 0 year 2 year 1
Answers: 1
Mathematics, 21.06.2019 18:00
1. a parachutist is 800 feet above the ground when she opens her parachute. she then falls at a constant rate of 5 feet per second. select the equation that represents this situation. h = -800t + 5 y = -5x + 800 h = 5t - 800 y = 800x + 5 i need
Answers: 1
Mathematics, 21.06.2019 21:00
Which of the following is the best first step in solving the equation below? 4+2㏒³x=17
Answers: 1
Spencer sampled 50 students of a private school who were questioned about their scores in Mathematic...
Mathematics, 08.10.2020 23:01
Social Studies, 08.10.2020 23:01
Social Studies, 08.10.2020 23:01
Mathematics, 08.10.2020 23:01
English, 08.10.2020 23:01
Business, 08.10.2020 23:01
History, 08.10.2020 23:01
Mathematics, 08.10.2020 23:01
History, 08.10.2020 23:01
Chemistry, 08.10.2020 23:01