Suppose the tree diagram below represents all the students in a high school and that one of these students were chosen at random. If the student is
known to be a girl, what is the probability that the student is left-handed?
Left-
handed
50
Boys
200
Right-
150
handed
Left-
handed
50
Girls
300
250
Right-
handed

Which value would be a solution for x in the inequality 47-4x< 7

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.