Business
Engineering
Math
Science
Social Science20. For the 2017 romantic comedy film, The Last Jedi,300,000 IMDB viewer ratings show a mean of 7.2 stars witha standard deviation of 1.1 stars. How many viewers gavethe film less than 5 stars? Select the single best estimate.A.At most 37,500B.At most 75,000C. At least 37,500D. At least 75,0002020escFSF4F122C34deleteWwQ{UOtabPADGH.KLcaps lockTeturnZC.BshiftshiftcontroloptioncommandcommandoptionCO(DLL.S
Image Transcriptionclose
20. For the 2017 romantic comedy film, The Last Jedi, 300,000 IMDB viewer ratings show a mean of 7.2 stars with a standard deviation of 1.1 stars. How many viewers gave the film less than 5 stars? Select the single best estimate. A.At most 37,500 B.At most 75,000 C. At least 37,500 D. At least 75,000 20 20 esc FS F4 F12 2 C3 4 delete Ww Q { U O tab P A D G H. K L caps lock Teturn Z C. B shift shift control option command command option CO (D LL. S
Expert Answer
Given Data
Mean = 7.2
Standard Deviation = 1.1
No of Viewers = 300000
Image Transcriptionclose
u = 7.2 g 1.1 N 300000
Probability that viewers gave less than five stars are
Sinc...
Image Transcriptionclose
P(X 5) Changing into standard normal variate 5 H 5 7.2 Pz s P 1.1 P(z 2) P(z -2) 0.02275 z 0.023( From excel NORM. S. DIST(-2, TRUE))
Math
Statistics
Other
Related Statistics Q&A
Find answers to questions asked by student like you
Show more Q&A addQ: The population of a country is expected to drop by 30% over the next 50 years as the percent of its ...
A: Output:In Excel, enter the data in cells A1 to A7 (t) and B1 to B7 (P); the first row is for labels....
Q: What is the lowest measure of central tendency and is used primarily for nominal data to identify th...
A: We know there are mainly three measures of central tendency:Mean, mode and medianWe first know where...
Q: 28 DATA 14. | Vital Statistics: Height How does average height for boys change as boys get older? Ac...
A: Time series graph:In order to see how does average height for boys change as boys get older, the tim...
Q: A researcher is interested in whether the variation in the size of human beings is proportional thro...
A: Correlation: Correlation can be defined as the mutual association between two variables which lies b...
Q: In its Fuel Economy Guide for 2016 model vehicles, the Environmental Protection Agency provides data...
A: The Normal distribution:A continuous random variable X is said to follow normal distribution with me...
Q: Please, I need a detailed and a step by step solutions to the problem. I don't have a strong backgro...
A: Hello, thank you for the question, Part c requires the use of other platform and the solution is too...
Q: Arbitron Media Research Inc. conducted a study of the iPod listening habits of men and women. One fa...
A: Null and alternative hypotheses:Let σ21 and σ22 be the variation in the listening times for men and ...
Q: what is the population variance and standard deviation of 10,13,17,19,21
A: The formula for population variance and standard deviation is given by:
Q: A large university: 60% of students have a facebook page theyve checked today 12% of students have...
A: a) Independence of events:If probability of happening of one event does not affect the probability o...
