Which statement is true?
2 answers:
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Answer:
99.7% data lies between 13 to 43
Step-by-step explanation:
Mean:
Standard deviation :
68% of data lies between to
95% of the data lies between to
99.7% data lies between to
We are supposed to find 99.7 of the data will lie between which values
99.7% data lies between to
99.7% data lies between 13 to 43
Hence 99.7% data lies between 13 to 43
Answer:
incorrect; 2½ ÷ ¾ = 3⅓; 2½ ÷ ⅜ = 6⅔; six
Step-by-step explanation:
Assume that Trey's number line model is like the first one below.
That model is incorrect.
The distance from 0 to 1 has four tick marks, so each mark represents the fraction ¼.
Trey is jumping three of them (¾) at a time.
Trey's number line represents the expression
2½ ÷ ¾ = 3⅓
The correct number line model is the second one below.
It represents the expression
2½ ÷ ⅜ = 6⅔
Ms. Nellies has enough vinegar for six groups of students
