Mathematics, 19.11.2019 04:31 dianekobasher
Dr. smith wants to use only students with "normal" iq in his experiment. he defines "normal" as anyone who scores in the middle 50% of iq scores. using this rule, what will be the lowest iq score that could be included in the study and what would be the highest iq score that could be included in the study? you know that the population of iq scores are normally distributed, have µ = 100, and have σ = 15. (1 point)
Answers: 3
Mathematics, 21.06.2019 17:00
The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?
Answers: 2
Mathematics, 21.06.2019 17:30
Subscriptions to a popular fashion magazine have gone down by a consistent percentage each year and can be modeled by the function y = 42,000(0.96)t. what does the value 42,000 represent in the function?
Answers: 2
Mathematics, 21.06.2019 19:00
The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'
Answers: 1
Mathematics, 21.06.2019 20:00
Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?
Answers: 3
Dr. smith wants to use only students with "normal" iq in his experiment. he defines "normal" as anyo...
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