Phenomenon trial probability
The probability of occurrence of a certain phenomenon is the same in all trials and is equal to 0.7. Attempts are repeated until this phenomenon occurs. What is the probability that we will have to make a fifth trial?
Your answer:
Your answer:
Tips for related online calculators
You need to know the following knowledge to solve this word math problem:
statisticscombinatoricsGrade of the word problem
Related math problems and questions:
- Utopia Island
The probability of disease A on the island of Utopia is 40%. The probability of occurrence among the men of this island, which make up 60% of all the population (the rest are women), is 50%. What is the probability of occurrence of A disease among women o - Probability of connection with repeated attempts
A secretary at company A is calling the switchboard at company B during peak phone line traffic, when the probability that the line will not be busy is 0.25. She repeats individual connection attempts every few minutes until she is connected to the switch - Binomial probability
What is the binominal probability that at least 4 of the six trials (n=6) are succeeded where φ = 0.50? - Drug effectiveness probability
According to clinical studies, the effectiveness of the drug is 90%. The doctor prescribed the medicine to eight patients. What is the probability that the drug will be effective in all these patients? - Component deviation probability
There are 200 components in the production batch, of which 26 have a plus deviation from the nominal value. Calculate the probability that none of the 10 products selected will have a positive variance if we make selections without repetition - We randomly
We randomly select a three-digit number. What is the probability that the number 8 occurs at most once in its notation? - Lion or virgin
We toss the coin, and every throw fits a lion or a virgin with an equal probability of 1/2. Determine how much we have to make throws that, with the probability of 0.9, lions fell at least once.
