The number of hours per week that high school students spend on computers is normally distributed,with a mean of 5 hours and a standard deviation of 2 hours.70 students are chosen at random.Let
Represent the mean number of hours spent on the computer for this group.Find the probability that
Is between 5.1 and 5.7.
A) 0.672
B) 0.660
C) 0.115
D) 0.336
E) 2.510
Correct Answer:
Verified
Q8: A candy company claims that 17% of
Q14: Researchers believe that 7% of children have
Q15: In a large class,the professor has each
Q16: A national study reported that 76% of
Q19: Information on a packet of seeds claims
Q31: If we imagine all the possible random
Q32: Statistics from a weather centre indicate that
Q33: Some real estate specialists estimate that the
Q37: Automatic teller machine receipts show that customer
Q50: A restaurant's receipts show that the cost
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents