Answer:
Step-by-step explanation:
assuming the equation is this simplifies to
where i =
Which letter in the word HAPPY has an order 2 rotational symmetry? H A P Y
2 answers:
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Answer:
Step-by-step explanation:
it is given in question that
sample space n=34
μ the population mean =120
the sample mean
the population standard deviation σ=20
we have to find the null hypothesis and alternative hypothesis
null hypothesis
the average braking distance for a small car travelling at 65 miles per hour equals to 120 feet
so
Alternative hypothesis
the average braking distance for a small car travelling at 65 miles per hour not equals to 120 feet
so