For number 6. Identify whether the problem is a two-tailed test or one-tailed test (left-tailed test, right-tailed test). Then, formulate the null and alternative hypotheses.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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Chapter10: Statistics
Section10.3: Measures Of Spread
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pls answer number 6. On the hypothesis pls do in mathematical words and numbers, thank you!

For number 6. Identify whether the problem
is a two-tailed test or one-tailed test
(left-tailed test, right-tailed test). Then,
formulate the null and alternative
hypotheses.
6. A teacher believes that 85% of students
in his class will have a grade of 90 in their
Statistics subject. Due to pandemic, the
students were introduced to another mode
of learning which is through virtual classes.
State the null and alternative hypotheses of
the students having a grade of 90 despites
the adjustments they've encountered.
Transcribed Image Text:For number 6. Identify whether the problem is a two-tailed test or one-tailed test (left-tailed test, right-tailed test). Then, formulate the null and alternative hypotheses. 6. A teacher believes that 85% of students in his class will have a grade of 90 in their Statistics subject. Due to pandemic, the students were introduced to another mode of learning which is through virtual classes. State the null and alternative hypotheses of the students having a grade of 90 despites the adjustments they've encountered.
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