Answer
3:11:3 as you divide the ration by 13
Answer:
<u>Total</u><u> </u><u>number</u><u> </u><u>of</u><u> </u><u>sweets</u><u> </u><u>in</u><u> </u><u>the</u><u> </u><u>bag</u><u> </u><u>is</u><u> </u><u>2</u><u>8</u>
Step-by-step explanation:
let the total number of sweets in the bag be x :

therefore fraction of mints = 1 - fraction of toffees :

therefore:

total sweets number is 28
Answer:
a)

b) 0.476
c) 0.667
Step-by-step explanation:
We are given the following in the question:
Y = the number of forms required of the next applicant.
Y: 1, 2, 3, 4, 5, 6
The probability is given by:

a) Property of discrete probability distribution:

b) at most four forms are required

c) probability that between two and five forms (inclusive) are required

Answer:
im not sure but is this google slides
Step-by-step explanation:

So a 30 year old professor would be 2.4 standard deviations less than the mean.