Ten students need to present their reports. five can present each day. how many ways can the teacher choose a group of five students to present their reports on the first day? how many ways can the teacher choose a group of 5 students to present on the first day of marjorie must present on the first day?

1) 252

2) 126

you welcome

idek

step-by-step explanation:

answer:   35 % is the probability of a late departure or an early arrival.

step-by-step explanation:

let l represents the late departure and e represents the early departure.

then, according to the question,

p(l) = 12 %,   p(e) = 27 % and = 4 %

and, we have to find out,

but, we know that,

which is the required equation that will use to find the probability of a late departure or an early departure.

therefore,   the probability of a late departure or an early arrival =   35 %