Expand the expression: 1/3(12d + e)
1 answer:
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Answer:
a. The average number of hashtags used in a social media post from a marketing agency is different than 7 hashtags.
Step-by-step explanation:
A social media platform states that a social media post from a marketing agency has 7 hashtags, on average.
This means that at the null hypothesis, we test if the mean is 7, that is:
A digital marketing specialist studying social media advertising believes the average number of hashtags used in a post from a marketing agency is different than the number stated by the social media platform.
Keyword is different, so at the null hypothesis, we test if the mean is different of 7, that is:
Thus, the correct answer is given by option a.
Answer:
Vacation pays are not included in salaries. Therefore, Jerry's calculation is wrong.
Step-by-step explanation:
Given is :
Jerry makes $40,000 a year working at a nearby factory.
He gets two weeks paid vacation per year, plus five other paid holidays.
So total paid holidays become = days
Subtracting 19 from 365 days and assuming that Jerry works for 365 days a year.
We get = days
So, his per day salary will be =
Vacation pays are not included in salaries. Therefore, Jerry's calculation is wrong.