isaiahrodriguezsm17
22.07.2021 •
Mathematics
A social media platform states that a social media post from a marketing agency has 7 hashtags, on average. 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. After completing a study, the digital marketing specialist found that the average number of hashtags used by a marketing agency in a social media post is 7.9 hashtags on average.
As the digital marketing specialist sets up a hypothesis test to determine if their belief is correct, what is their claim?
a. The average number of hashtags used in a social media post from a marketing agency is different than 7 hashtags.
b. The average number of hashtags used in a social media post from a marketing agency is different than 7.9 hashtags.
c. Marketing agencies use too many hashtags in a social media post.
d. The average number of hashtags used in a social media post from a marketing agency is 7 hashtags.
Solved
Show answers
More tips
- L Leisure and Entertainment How to Make a Crab Trap in Just a Few Minutes...
- H Health and Medicine How Much Does Abortion Cost? Expert Answers and Insights...
- S Sport How to Build Arm Muscles? Effective Exercises and Tips...
- H Health and Medicine When can it be said that a person has a normal pulse?...
- A Art and Culture When Will Eurovision 2011 Take Place?...
- S Style and Beauty How to Choose the Perfect Hair Straightener?...
- F Family and Home Why Having Pets at Home is Good for Your Health...
- H Health and Medicine How to perform artificial respiration?...
- H Health and Medicine 10 Tips for Avoiding Vitamin Deficiency...
- F Food and Cooking How to Properly Cook Buckwheat?...
Answers on questions: Mathematics
- M Mathematics If the size of a scale drawing is 50 x 36 cm and the scale factor is 5:1 what is the size of the actual object?...
- M Mathematics Round to 2 decimal places 9.725...
- M Mathematics This graph shows the relationship between miles and kilometres...
- M Mathematics Find the mean, median and mode of these numbers11,10,8,10,1 12,10,16,28,15,29,26,16,113,11,12,8,10,69,12,5,9,14,5,7,8,9,2Thank you for helping!...
- M Mathematics Show that all terms of a quadratic pattern are positive...
- M Mathematics What is the trigonometric ratio for cos C?...
- M Mathematics In Tim s garden, the flowers areonly red, white, yellow or blue.The chart shows the number ofred, white and yellow flowers.The total number of flowers is 301210a) How...
- M Mathematics How do you find the inequality? help me please...
- M Mathematics Pls help me with this question...
- M Mathematics Find the volume of the triangular prism. Round to 1 decimal place...
Ответ:
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.
Ответ:
5
Step-by-step explanation:
We desire to evaluate the fraction: when k=3.
This is a simple substitution, so what is required is
Replace k with the given numberSimplify the resulting expressionTherefore, when k=3
You can try the same for any value of k.