Quiz: 2283-602 Quiz 1, Due @11:59pm on 01/27 Saturday Tine This Question: 1 pt 9
ID: 3353101 • Letter: Q
Question
Quiz: 2283-602 Quiz 1, Due @11:59pm on 01/27 Saturday Tine This Question: 1 pt 9 of 22 (8 complete This Quiz: 22 pts possible Question Help * D FORM 21 The following frequency histogram represents the IQ scores of a random sample of seventh-grade students. IQs are measured to the nearest whole number. The frequency of each class is labeled above each rectangle. Use the histogram to answers parts (a) through (g). Qs of 7th Grade Students 48 51 30 D FORM 214 PG3.JPG 60 70 80 90 100 110 120130 140 1501 Q scores O D. 9099 What percent of students had an IQ of at least 1307 % (Type an integer or a decimal.) (g) Did any students have an IQ of 164? varl C) A. No, because there are no bars, or frequencies, greater than an IQ of 160. O B. Yes, because there is a bar in the 150-159 class O C. Yes, because there is a frequency of a score of 165 O D. No, because there is a bar in the 150-159 class. .) B. 1.1 :Ja|:/ «.) (u)j More Click to select your answer(s). 15 Chapter 1AExplanation / Answer
I can see only f not answered, so answering f
number of people with IQ more than or equal to 130 is 30 + 8 + 3 + 2 = 43
total number of people is 1 + 2 + 14 + 48 + 51 + 41 + 30 + 8 + 3 + 2 = 200
So, the required probability is 43/200
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