4- Modern IQ test evaluations are based on the position of the individual according to a bell-shaped curve with a population mean of 100 and a standard deviation of 15. According to The Wechsler Adult Intelligence Scale (WAIS-IV) the following classificiation scheme is provided for,the IQ scores: 130 and above -- Very superior; 120-129-Superior; 110-119 -- High average; 90-109 -- Average. What is the probability of selecting an individual from this population who will be classified as average? a) 0,2514 b) 0,7257 01394 c) O 0,4743 d) 0,5 Boş bırak

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4- Modern IQ test evaluations are based on the position of the individual according to a bell-shaped curve with a
population mean of 100 and a standard deviation of 15. According to The Wechsler Adult Intelligence Scale (WAIS-IV)
the following classificiation scheme is provided for,the IQ scores: 130 and above -- Very superior; 120-129 - Superior;
110-119 -- High average; 90-109 -- Average. What is the probability of selecting an individual from this population
who will be classified as average?
a)
0,2514
b) O 0,7257
0139
c)O 0,4743
d) O 0,5
OBoş bırak
Transcribed Image Text:4- Modern IQ test evaluations are based on the position of the individual according to a bell-shaped curve with a population mean of 100 and a standard deviation of 15. According to The Wechsler Adult Intelligence Scale (WAIS-IV) the following classificiation scheme is provided for,the IQ scores: 130 and above -- Very superior; 120-129 - Superior; 110-119 -- High average; 90-109 -- Average. What is the probability of selecting an individual from this population who will be classified as average? a) 0,2514 b) O 0,7257 0139 c)O 0,4743 d) O 0,5 OBoş bırak
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