A student bought a juice drink for $2 and a sandwich the total was &6.50 how much was the sandwich
1 answer:
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Let x = score on next test
(85+91+x)/3
90
x94
(85+91+x)/3
x
Answer:
Step-by-step explanation:
An null hypothesis () is a statement of equality which shows that there is no statistical difference between the groups being tested.
An alternative hypothesis () is a statement of inequality which shows that there is statistical difference between the groups being tested.
Let be the population mean amount of garbage per bin .
Given : A sanitation supervisor is interested in testing to see if the mean amount of garbage per bin is different from 50.
i.e. → Alternative
Thus , the appropriate null and alternative hypotheses :