Bobby and $9 per hour and $6 for each delivery he makes. He wants to earn more than $155 an 8 hour work day. What is the least n
1 answer:
<h3>The least number of deliveries that Bobby must make to reach his goal is 14</h3>
<em><u>Solution:</u></em>
Given that,
Bobby per $9 per hour and $6 for each delivery he makes
Let "D" be the number of delivery he makes
He wants to earn more than $155 an 8 hour work day
<em><u>Thus a inequality is framed as:</u></em>
Subtract 72 from both sides
72 + 6D - 72 > 155 - 72
6D > 83
Divide both sides by 83
D > 13.83
Thus least number of deliveries that Bobby must make to reach his goal is 14
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Answer:
Check the explanation
Step-by-step explanation:
Going by the first attached image below we reject H_o against H_1 if obs.
here obs.T=1.879
we accept at 5% level of significance.
i.e there is no sufficient evidence to indicate that the special study program is more effective at 5% level of significance.
1.
this problem is simillar to the previous one except the alternative hypothesis.
Let X_i's denote the bonuses given by female managers and Y_i's denote the bonuses given by male managers.
we assume that independently
We want to test
define
now
the hypothesis becomes
in the third attached image, we use the same test statistic as before
i.e at 5% level of significance there is not enough evidence to indicate a difference in average bonuses .
