user: I'm playing a dice game and want to calculate my chances. I roll the die 20 times, and I'm trying to figure out the probability of landing on a 6 exactly five times, considering each roll has a one in six chance of being a 6. Could you help me with that?

Available functions:
name: get_weather_data
description: Fetches weather data from the Open-Meteo API for the given latitude and longitude.
parameters: type: dict
properties: coordinates: type: array
items: type: float
description: The latitude and longitude of the location.
required: coordinates
name: calc_binomial_probability
description: Calculates the probability of getting k successes in n trials.
parameters: type: dict
properties: n: type: integer
description: The number of trials.
k: type: integer
description: The number of successes.
p: type: float
description: The probability of success.
required: n
k
p

Ground truth function call(s):
calc_binomial_probability(n=20, k=5, p=1/6)