please answer this two questions faster ?

If the equation of the regression line is y' = - 0.3 x + 0.4, then the correlation coefficient between the two variables will be ...... O a. -0.3 O b. Positive O c. Negative O d. 0.4There are 20 players in a football club. If 30% of players will be selected for national football team, then what is the probability that exactly two will be selected 'For national team? 0 a..169 o b.0506 O c.0211 o d. 0.057 The number of industrial injuries per working week in particular factory is known to follow a Poisson distribution with mean 0.65. Find the probability that in a particular week, there will be less than 2 accidents. O a. 0.9098 O b. 0.8266 O c. 0.8613 O d. 0.5106