Tony is going to put wooden floorboards on the floors upstairs. each floorboard is 4 my long . tony needs 35 floorboards.
the table below shows the cost of three types of floorboards.
types of floorboards ,cost per meter length
pine _ £10.37
oak _£12.75
walnut _£19.55
tony can pay up to £2000 for the floorboards.
which floorboards can buy?

36

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 %

replication and blocking

step-by-step explanation: