30. It is observed that 50% of mails are spam. There is a software that filters spam mail before reaching the inbox. It accuracy for detecting a spam mail is 99% and chances of tagging a non-spam mail as spam mail 5%. If a certain mail is tagged as spam find the probability that it is not a spam mail.

Q: 75 - 3.5y - 4y = 4y + 6

A:

Q: lim, 2+ f(x) = →2+ lim 2- f(x) =

A: Given query is to find indicated limit.

Q: (a-5)

A:

Q: (a-5)

A: Solve the (a-5)6

Q: n is the same as 239 added to the product of 238 and z

A:

Q: ちメー」 dx らメ 2x+3

A:

Q: +2 1/2 215

A:

Q: answer question 2

A: As per the question we are given the following recurrence relation : T(n) = 6T(n/2) + n  ,  T(1) = 1…

Q: 3/4 5/6

A: The given set of questions ,  1 13÷16 Apply division rule ,  1316=13×61         =2 2 25÷47 Apply…

Q: (a-5)

A: Given:            (a−5)6

Q: 4(5+6)=

A: Given: 4(5+6)=

Q: Match the possible graph for the function f with the specified properties: (i) the domain of ƒ is…

A: The function has properties,(i) the domain of f is -5,5(ii) f-5=f0=f5=5(iii)…

Q: Add. 4 4a + 3

A: Here given

Q: limx→- f(x) limo+ f(x) limx→ = = =

A:

Q: V415

A: Given query is to find the square root of 415.

Q: i 15Y4 + 32X+ 23x?+ 25X-3

A:

Q: 2. 9=x-2y 3x + 5 = 2y

A: The given equations are system of linear equations in variables x and y. We solve these by…

Q: t av-3 2.

A:

Q: X5 y / x4 y6

A: Given: x5yx4y6

Q: 2/21 + -2/9.

A: 221+−29

Q: (a-5)

A: We have to find the value of: a-56

Q: Whats #10

A: 10)

Q: -5/9 + 1/2

A: The given expression is

Q: limx→2 f(x) = lim, ¹x→−1+ f(x) =

A: Given graph of the function fx is   1. Find :  limx→2 fx. 2. Find :limx→-1+ fx.

Q: S dx 2 x-6x

A:

Q: -3 -2 -1 1 2 0000000 3.

A:

Q: (a-5)

A: Given :- (a–5)6 Using Formula :- (a–b)3 = a3–b3–3a2b+3ab2