subject
Mathematics, 31.10.2020 05:20 angelica3752

Moviegoers The average "moviegoer" sees 8.5 movies a year. A moviegoer is defined as a person who sees at least one movie in a theater in a 12-month period. A random sample of 49 moviegoers from a large university revealed that the average number of
movies seen per person was 9.2. The population standard deviation is 3.2 movies. At the 0.01 level of significance, can it be
concluded that this represents a difference from the national average?

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 18:00
The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed
Answers: 2
question
Mathematics, 21.06.2019 18:00
Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary
Answers: 2
question
Mathematics, 21.06.2019 21:40
The tile along the edge of a triangular community pool needs to be replaced? ?
Answers: 2
question
Mathematics, 21.06.2019 23:00
Erik buys 2.5 pounds of cashews. if each pound of cashews costs $7.70, how much will he pay for the cashews?
Answers: 1
You know the right answer?
Moviegoers The average "moviegoer" sees 8.5 movies a year. A moviegoer is defined as a person who se...
Questions
question
Computers and Technology, 13.07.2019 17:30
question
Mathematics, 13.07.2019 17:30
question
Mathematics, 13.07.2019 17:30