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plug in the given values into the appropriate place

what given space?

given values

im confused, plug them into what?

what type of calculator do you have?

a scientific one

sharp EL-W535X

okay well whats the formula i would use on paper if i was to do it by hand?

what class is this for?

statistics for the sciences

yeah

so what do i do?

P(X≤k) = P(X=0) + P(X=1) + ...+ P(X=k)

does that look familiar?

yeah i know how to do that but am i really supposed to do that all the way up to 20?

you think that would be okay?

i have no idea, depends on what your teacher wants

do you have a binomcdf function on your calculator?

i have no idea

i dont know how to calculate this question

JE so for part a can i do 1 - P(x=20)? to get the answer?

No, for part a you should just do P(x=0) + P(x=1) + P(x=2)

but why cant i do this for part a?

all the way up to 20?

okay so i do P(x=0) + P(x=1) + P(x=2) and then - 1?

okay so i just add up P(x=0) + P(x=1) + P(x=2) to get the answer for a?

Yes :)

okay I got 0.924 for a)

how about for b and c the k values are pretty high

i dont :(

okay well thank you again JE!

You're welcome :)