Need help asappp thank you
...
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 19:30
Needmax recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 2
Mathematics, 22.06.2019 00:30
1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?
Answers: 2
You know the right answer?
Questions
Arts, 11.05.2021 16:40
Advanced Placement (AP), 11.05.2021 16:40
Law, 11.05.2021 16:40
History, 11.05.2021 16:40
English, 11.05.2021 16:40
Mathematics, 11.05.2021 16:40
Business, 11.05.2021 16:40
Mathematics, 11.05.2021 16:40
Mathematics, 11.05.2021 16:40
Chemistry, 11.05.2021 16:40
Mathematics, 11.05.2021 16:40
Mathematics, 11.05.2021 16:40
