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:
the answer is D
Step-by-step explanation:
because i had the same quiz i just took it
Answer:
C
Step-by-step explanation:
Stay safe hope this helps
Probably 2500 or less because they dont need that much hawks.