assume that random guesses are
made for eight multiple choice questions on a SAT test so...
50.1K
Verified Solution
Link Copied!
Question
Basic Math
assume that random guesses aremade for eight multiple choice questions on a SAT test so thatthere are n=8 trials, each with probability of success (correct)given by p=0.20
a) prob of number x of correctanswers is exactly 7
b) prob of numer x correctanswers is at 4
c) prob of number x correctanswers is fewer than 3
d) probof number x corrwct answers is no more than 2
e) prob of no correctanswers
Answer & Explanation
Solved by verified expert
4.2 Ratings (601 Votes)
Ans This is binomial probabilityn8 p 020 1p 080We find all probabilities using R n8p020 PX7 choose870207080871 000008192 PX4
See Answer
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
Unlimited Question Access with detailed Answers
Zin AI - 3 Million Words
10 Dall-E 3 Images
20 Plot Generations
Conversation with Dialogue Memory
No Ads, Ever!
Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
