An amusement park ride requires that people must be more than 42 inches tall to ride. let h represent height in inches. which inequality models this situation? a. h < 42 and h may be a negative number b. h < 42 and h must be a positive number c. h > 42 and h may be a negative number d. h > 42 and h must be a positive number

Which matrix can be multiplied to the left of a vector matrix to get a new vector matrix ?

Students at a high school were asked about their favorite outdoor activity. the results are shown in the two-way frequency table below. fishing camping canoeing skiing total boys 36 44 13 25 118 girls 34 37 22 20 113 total 70 81 35 45 231 select all the statements that are true based on the given table. more girls chose camping as their favorite outdoor activity than boys. more girls chose canoeing as their favorite outdoor activity than those who chose skiing. more boys chose skiing as their favorite outdoor activity than girls. there were more boys surveyed than girls. twice as many students chose canoeing as their favorite outdoor activity than those who chose fishing. more students chose camping as their favorite outdoor activity than the combined number of students who chose canoeing or skiing.

1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?