9500 understudies are joined up with a junior college. Out Of 9500, 3350 have a Visa, 2200 have a MasterCard, and 860 have both Mastercards. Discover the likelihood that an understudy chose arbitrarily:

a. Has just Visa Card.

b. Has both Visa and a MasterCard.

c. Has precisely one of the card.

d. Has neither a Visa nor a MasterCard

e. Draw the Venn graph.

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Assume that f(x, t) is the likelihood of getting x suc-

cesses during a period timespan t when (I) the

likelihood of a triumph during an extremely humble span

from one t to another + t is t, (ii) the likelihood of more than

one accomplishment during such a period stretch is insignificant, and

(iii) the likelihood of a triumph during such a period between

val doesn't rely upon what occurred preceding time t.

(a) Show that under these conditions

d[f(x, t)]

dt = [f(x 1, t) f(x, t)]

(b) Show by direct replacement that an answer of this

limitless arrangement of differential conditions (there is one for

each estimation of x) is given by the Poisson appropriation with

= t.

9500 understudies are joined up with a junior college. Of 9500, 3350 have a Visa, 2200 have a MasterCard, and 860 have both charge cards. Discover the likelihood that an understudy chose arbitrarily:

a. Has just Visa Card.

b. Has both Visa and a MasterCard.

c. Has precisely one of the card.

d. Has neither a Visa nor a MasterCard

e. Draw the Venn chart.

A poker hand comprises of 5 cards from a standard deck of 52. Track down the quantity of various poker hands of the predefined type.

**two sets with precisely one sets being experts (two pros, two of another group, and one of a third)**

(For those new to playing a card game, here is a short depiction. A standard deck comprises of 52 playing a game of cards. Each card is in one of 13 groups: ace (A), 2, 3, 4, 5, 6, 7, 8, 9, 10, jack (J), sovereign (Q), and lord (K), and in one of four suits: hearts (), precious stones (), clubs (), and spades (). Along these lines, for example, the jack of spades, J, alludes to the division of jack in the suit of spades).