Saby used a probability simulator to roll a 6-sided number cube and flip a coin 100 times. the results are shown in the tables below: number on the cube number of times rolled 1 18 2 25 3 12 4 32 5 3 6 10 heads tails 56 44 using saby's simulation, what is the probability of rolling a 4 on the number cube and the coin landing heads up?

arithmetic sequence

step-by-step explanation:

given that a sequence has terms as

19, 15, 11,

this is represented on a graph

the pattern indicates that the sequence is an arithmetic sequence with i term

a=19 and common difference d =-4

any general term

thus the sequence is reduced by 4 for each successive term starting from 1 and nth term is

24-5n.

first negative term would start after 5th term

5th term =24-25< 0

from 5th term onwards the sequence would be negative.