a student achieved the following grades on his tests :87,95 ,76 and 88 percent . he wants 85 percent or better overall . what gr
2 answers:
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Answer:
The right answer is "".
Step-by-step explanation:
The given values are:
As we know,
95% confidence for will be:
=
The lower bound will be:
=
=
The upper bound will be:
=
=
Thus the right answer is ""