Step-by-step explanation:
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Substitute the variable and solve the problem g=7 3g+15
2 answers:
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For this case we have that the total of the balls is 86. We know there are 8 footballs then:
Basketball: Two more than twice the number of footballs are basketballs, that is:
There are 18 Basketballs.
Baseballs: Four less than 5 times the number of footballs are baseballs, that is:
There are 36 Baseballs.
Softballs: Six more than half of baseballs are softballs. That is to say:
There are 24 Softballs
If we add we must get 86.
ANswer:
There are 8 Footballs
There are 18 Basketballs.
There are 36 Baseballs.
There are 24 Softballs
<h2>Answer with explanation:</h2><h2></h2>
Let p be the population proportion of orders are delivered within 10 minutes of the time the order is placed.
Then according to the claim we have ,
Since the alternative hypothesis is two-tailed so the hypothesis test is a two-tailed test.
For sample ,
n = 90
Proportion of orders are delivered within 10 minutes of the time the order is placed=
Test statistics for population proportion :-
The p-value : [By using standard normal distribution table]
Since the p-value is greater that the significance level (0.01), so we do not reject the null hypothesis.
Hence, we conclude that we have enough evidence to support the claim that 90% of its orders are delivered within 10 minutes of the time the order is placed.