Explain
1 - 4n +1 +3n
(combine like terms)
2-n
(Subtract 2 to other side)
2-n=0
-2. -2
-2=-n
(Divide by negative 1)
-2/1=n/-1
N=1
Answer:
7.57
Step-by-step explanation:
When the distribution is normal, we use the z-score formula.
In a set with mean and standard deviation , the zscore of a measure X is given by:
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.
The height of sunflowers is Normally distributed with mean 50 inches and standard deviation 8 inches.
This means that
Percent of all sunflowers that are between 35 and 40 inches tall.
As a proportion, this is the pvalue of Z when X = 40 subtracted by the pvalue of Z when X = 35. So
X = 40
has a pvalue of 0.1057
X = 35
has a pvalue of 0.03
0.1057 - 0.03 = 0.0757
As percent: 0.0757*100% = 7.57%
Answer:
Option: The sign of h must be negative, and the sign of k must be positive.
Answer:
The true average weight of geese is less than or equal to 40 pounds
Step-by-step explanation:
The null hypothesis and the alternative hypothesis are two <u>mutually exclusive</u> statements or hypotheses that are made about a population. The purpose is to find out if, through a study of the data, sufficient evidence is obtained to reject one and accept another
The null hypothesis is denoted as and the alternative hypothesis as
As they are two mutually exclusive statements then if
: The true average weight of the geese is greater than 40 pounds
the alternative hypothesis must be the opposite of the null hypothesis
: The true average weight of geese is less than or equal to 40 pounds
Answer:
we have to compare the effects of method I and method II.
(a)
(i) The population of generalization if the method I is used will be all people who are willing to determine the effect of exercising with a training partner as compared to exercising alone.
(ii) The population of generalization, if method II is used, will be all people who exercise at a community fitness center.
(b)
If both the methods produce significant results then the difference between the conclusion of the method I and the conclusion of method II is that the result of the method I can be generalized to a broader population since it does not restrict people to participate in the study.