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: 7+3.5-11

A: Let's Solve,

Q: u(z) dr

A:

Q: 2/5+4/8

A: We have to find the sum

Q: 3 3 x-5 1 322

A:

Q: 8 in images

A: It is an important part of statistics . It is widely used .

Q: x- 5y = 5

A:

Q: 0.4r-0.13-0.7r=3r-5.74

A:

Q: Given the parent function f(x) = 2, which graph shows f(x) + 1? -5 -4 -3 -2 2 3 4 2 -5 3 4 2.

A: Given :   f(x)=2x

Q: 4(5+6)=

A: Given: 4(5+6)=

Q: 3/8+5/24

A: The given expression is 3/8 + 5/24.Simplify the given expression as follows.

Q: graph shows the relationship between the volume of the dilated box and the scale factor. diusuon 5.…

A:

Q: limx→- f(x) limo+ f(x) limx→ = = =

A:

Q: X5 y / x4 y6

A: Given: x5yx4y6

Q: 4 10

A: Given: The figure,

Q: elow is an incomplete probability model showing the likelihood of selecting a marble from a way.…

A: Second option is correct 3/10

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

A:

Q: 2/5 +7/12

A: Please see the answer below.

Q: -2 -4 and D = 4 8

A:

Q: 3 power 3

A:

Q: -5 4 -2 -7 -8 2.

A:

Q: 8 15 2 15

A: 8/15 -2/15 here simple substraction given and fraction is given  calculation is given inbelow