water flows into the source end of a sieve tube because

### Recently Asked Questions

- Consider the following probability distribution of a random variable X . x 10 40 180 p x 0.2 0.3 0.5 E X = X xp x = 10 · 0 . 2 + 40 · 0 . 3 + 180 · 0 .

- The following boxplots illustrate the distributions of samples A and B , where each sample has 40 observations . Which one of the following statements is FALSE

- A sample of 4 lizards had their tail lengths measured in cm . The results are illustrated in the following stemplot : The decimal point is at the | 7 | 45 8 |