A disc is spinning on a spindle and you don't know the direction in which way the disc is spinning. You are provided with a set of pins.How will you use the pins to describe in which way the disc is spinning?
188You are given 50 cards with five different colors- 10 Green cards, 10 Red Cards, 10 Orange Cards, 10 Blue cards, and 10 Yellow cards. The cards of each colors are numbered from one to ten. Two cards are picked at random. Find out the probability that the cards picked are not of same number and same color.
163Pick up a coin C1 given C1+C2 with probability of trials p (h1) =.7, p (h2) =.6 and doing 10 trials. And what is the probability that the given coin you picked is C1 given you have 7 heads and 3 tails?
145Post New Data Science Questions
Find out K most frequent numbers from a given stream of numbers on the fly.
What are iterators in Python?
How will you design the heatmap for Uber drivers to provide recommendation on where to wait for passengers? How would you approach this?
What is meant by sampling? Explain some sampling methods that you know?
What is logistic and linear regression? Name some packages in r and python for building regression models.
What is data science? Also, list the differences between supervised and unsupervised learning.
Explain the differences between univariate and multivariate analysis?
What is meant by lattice graphs?
What is the aim of a/b testing?
Can you define data discretization?
Explain why data cleansing is essential and which method you use to maintain clean data?
What is back propagation?
Explain the role of activation function?
Estimate the probability of a disease in a particular city given that the probability of the disease on a national level is low.
How decision tree algorithm is different from the random forest algorithm?