Identify the 33rd term of the arithmetic sequence 9, 7 1/2, 6.
1 answer:
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To simplify the expression we are going to use the distributive property of multiplication: 
.
We can infer from our problem that
, 
, and 
. So lets apply the property to simplify our expression:
We can conclude that the correct answer is <span>-8x3 + 6x2</span>
We can infer from our problem that
We can conclude that the correct answer is <span>-8x3 + 6x2</span>
Solution :
Let and
represents the proportions of the seeds which germinate among the seeds planted in the soil containing
and
mushroom compost by weight respectively.
To test the null hypothesis against the alternate hypothesis
.
Let denotes the respective sample proportions and the
represents the sample size respectively.
The test statistic can be written as :
which under follows the standard normal distribution.
We reject at
level of significance, if the P-value
or if
Now, the value of the test statistics = -1.368928
The critical value =
P-value =
= 0.171335
Since the p-value > 0.05 and , so we fail to reject
at
level of significance.
Hence we conclude that the two population proportion are not significantly different.
Conclusion :
There is not sufficient evidence to conclude that the of the seeds that
with the percent of the
in the soil.