Question: Hi please answer these grade 12 U question 19 A new vaccine is expected to be effective for 75% of the participants in clinical trials.

Hi please answer these grade 12 U question

19 A new vaccine is expected to be effective for 75% of the participants in clinical trials. 25 patients are selected, each given a shot of the new vaccine. Let the random variable represent the number of patients for whom the vaccine proves to be effective. a) Identify the type of the distribution for this variable and justify your answer; b) Calculate P(x 5 20) and explain its meaning; c) Write the function to be used in gsheets to calculate the probability in part b) and clearly state the meaning of all input values used in this function

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