Verbal Phrase

Symbols

Command

Clicks

probability of exactly x successes

P(x = a given number)

binompdf

2^nd  VARS Option A

binompdf( n, p, x) Enter

probability of at most x successes

P(x <  a given number)

binomcdf

2^nd VARS Option B

binomcdf(n, p, x) Enter

probability of fewer than x successes

probability of less than x successes

P (x < a given number)

binomcdf

2^nd VARS Option B

binomcdf(n, p, x -1) Enter

probability of at least x successes

P (x > a given number)

1 – binomcdf

1 – 2^nd VARS Option B

binomcdf(n, p, x -1) Enter

probability of more than x successes

P (x > a given number)

1 – binomcdf

1 – 2^nd VARS Option B

binomcdf(n, p, x) Enter

Verbal Phrase

Symbols

Command

Clicks

Between

Example:  “Between 200 and 220”

P(x₁ < x < x₂)

Example:  P(200 < x <220)

normalcdf

2^nd VARS Option 2

normalcdf(x₁, x₂, m, s) Enter

Less than

Example: “Less than 200”

P( x < x₁)

Example:  P(x < 200)

normalcdf

2^nd VARS Option 2

normalcdf( -E99, x₁, m, s) Enter

More than

Example: “More than 200”

P(x > x₁)

Example:  P(x >200)

 normalcdf

2^nd VARS Option 2

normalcdf(x₁, E99, m, s) Enter

Given a %

invNorm

2^nd VARS Option 3

invNorm( area, m, s) Enter