You're viewing 1 free preview question for Maths AI SL — subscribe to unlock 22 more, plus the Full Question Bank, Mock Papers & Worksheets.Upgrade

Binomial Theorem · Paper 2 — Free Maths AI SL Practice Questions

1MasterySAQ-SBinomial expansion and coefficients6 marksPaper 2~9 min
A company produces electronic chips. The probability that a randomly selected chip is defective is 0.150.15. The company packs chips in boxes of 88. Let XX be the number of defective chips in a randomly selected box.
(a)
State the probability distribution of XX, including the values of all parameters. [1 mark]
(b)
Calculate the probability that a box contains exactly 33 defective chips. [2 marks]
(c)
The company considers a box "acceptable" if it contains at most 22 defective chips. Calculate the probability that a box is acceptable, and determine whether it is more likely than not that two independently selected boxes are both acceptable. [3 marks]
diagram

Solutions

Questions 2-23

Unlock these questions with Premium

Sign Up →

That's every free question here — 1 of 23.

+22 more questions, plus Mock Papers & Worksheets, are waiting in Premium.

Upgrade