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The sum of three consecutive even integers is 126. Let x represent the first integer, x + 2 represent the second integer, and x
2 answers:
Answer:
Step-by-step explanation:
Let x represent the first even integer
Let x + 2 represent the second even integer
Let x + 4 represent the third even integer
Now we are given that The sum of three consecutive even integers is 126.
ATQ
So, Option D is correct.
So, equation can be used to find the first integer is
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Answer:
Step-by-step explanation:
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Sample size 5 5
Mean rate 6.2 5.3
Mean diffference =
Std error for difference = 0.25 (given)
Since we have two groups and also sample sizes are very small we can use t significant value for finding out confidence interval
df = 5+5-2 =8
t critical value for 80% two tailed = 1.397
Conf interval 80%
=