Would you expect to see a floor or ceiling effect if you were interested in assessing the ability of healthy, 20 year olds to balance on one foot and the time balancing on one foot was your dependent measure and there was a 1 minute time limit on the balance test?

  yes

Step-by-step explanation:

It might be expected that a healthy 20-year-old could balance on one foot well beyond 1 minute. Cutting off the test at 1 minute might not give the data you're really interested in.

87%

step-by-step explanation:

apex answer

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

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