There are two mixture comprising milk and water. Ratio of milk to water in both mixture is 4: 1.50% of mixture-B is mixed in mixture-A, then quantity of water in the resulting mixture becomes 20 liters. Then,
find ratio of total quantity of mixture-A to total quantity of mixture-B iftotal quantity of both the mixture is
140 lit.

Max 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.

With both problems. a.s.a.p directions on photo ^

The anwser cause i do not understand just plez