I am having trouble solving these study questions if i can please receive help.

The following probability distribution refers to two characteristics: age and traffic violations: VIOLATIONS IN THE LAST 12 MONTHS AGE None One Two+ Under 18 .23 12 .05 18 or older .45 14 .01 The probability that a randomly selected resident had no traffic violations in the last 12 months given that he/she is 18 or older is: O 0.60 O 0.45 O 0.75 O 0.66If a student conducted a two-tailed hypothesis test on a set of data and obtained a negative test statistic with p-value=0.44 . If the student should have used left-tailed to test the same data, which of the following is true about the possible p-value(s) that the student should have obtained? O The only possible p-value is 0.22. O The only possible p-value is 0.44 O The only possible p-value is 0.88 O The possible p-values are 0.22 and 0.78A sample of 400 households is selected in LA county and several variables are recorded. Which of the following statement is correct? 0 Socioeconomic status (recorded as "low income, middle income", or "high income" is nominal level data. 0 The number of people living in a household is a discrete variable. 0 The primary language spoken in the household is ordinal level data. 0 Total household incomes (in $) is interval level data