Mathematics, 21.01.2022 17:20 MalikaJones
A competency test has scores with a mean of 82 and a standard deviation of 2. A histogram of the data shows that the distribution is normal. Between what two values do about 99.7% of the values lie? SHOW YOUR WORK (statistics)
Answers: 3
Mathematics, 21.06.2019 16:20
Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?
Answers: 1
Mathematics, 21.06.2019 18:40
2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?
Answers: 1
Mathematics, 21.06.2019 20:00
Choose the linear inequality that describes the graph. the gray area represents the shaded region. a: y β€ β4x β 2 b: y > β4x β 2 c: y β₯ β4x β 2 d: y < 4x β 2
Answers: 2
Mathematics, 21.06.2019 22:00
Carla was trying to decide what to do saturday evening. she has $100 available to spend for the evening. she has narrowed her choices down to these events: braves game, a concert of an artist she likes, or the georgia aquarium. admission to the braves game is $25, hot dogs cost $10, sodas cost $5. the concert costs $25 for admission, $20 for a souvernir t-shirt, and $10 for a soda. the georgia aquarium has the show of a lifetime with an all you can eat and drink that costs $100. carla does not want to take any driving chances, so in addition to the cost of the aquarium, she will also need to pay for her uber/lyft, which is $15 each way. which option should carla choose if she wants to spend the least? based on that choice, what then is carla's oppotunity cost? fully explain your answer in at least one paragraph.
Answers: 1
A competency test has scores with a mean of 82 and a standard deviation of 2. A histogram of the dat...
Mathematics, 18.08.2019 08:50
History, 18.08.2019 08:50
Mathematics, 18.08.2019 08:50
Mathematics, 18.08.2019 08:50
Mathematics, 18.08.2019 08:50
Mathematics, 18.08.2019 08:50
Mathematics, 18.08.2019 08:50
Mathematics, 18.08.2019 08:50
Mathematics, 18.08.2019 08:50
Mathematics, 18.08.2019 08:50
Geography, 18.08.2019 08:50