Zillow Interview Questions

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Data Structures & Algorithms
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Machine Learning
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Probability
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A/B Testing
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SQL
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Zillow Interview Questions

Practice for the Zillow interview with these recently asked interview questions.

QuestionTopicDifficulty
Probability
Hard

The probability that it will rain tomorrow is dependent on whether or not it is raining today and whether or not it rained yesterday.

If it rained yesterday and today, there is a 20% chance it will rain tomorrow. If it rained one of the days, there is a 60% chance it will rain tomorrow. If it rained neither today nor yesterday, there is a 20% chance it will rain tomorrow.

Given that it is raining today and that it rained yesterday, write a function rain_days to calculate the probability that it will rain on the nth day after today.

Example:

Input:

n=5

Output:

def rain_days(n) -> 0.39968
Data Structures & Algorithms
Easy
Data Structures & Algorithms
Easy
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Zillow Salaries by Position

$112K
$222K
Product Manager
Median: $162K
Mean (Average): $171K
Data points: 15
$111K
$205K
Software Engineer
Median: $159K
Mean (Average): $159K
Data points: 216
$115K
$192K
ML Engineer
Median: $145K
Mean (Average): $147K
Data points: 37
$99K
$174K
Data Engineer
Median: $145K
Mean (Average): $140K
Data points: 25
Marketing Analyst*
$130K
Marketing Analyst
Median: $130K
Mean (Average): $130K
Data points: 1
$93K
$170K
Data Scientist
Median: $124K
Mean (Average): $128K
Data points: 155
$82K
$122K
Business Intelligence
Median: $97K
Mean (Average): $102K
Data points: 6
$65K
$129K
Data Analyst
Median: $93K
Mean (Average): $95K
Data points: 13
$63K
$111K
Business Analyst
Median: $92K
Mean (Average): $85K
Data points: 5
Product Analyst*
$82K
Product Analyst
Median: $82K
Mean (Average): $82K
Data points: 1

Most data science positions fall under different position titles depending on the actual role.

From the graph we can see that on average the Product Manager role pays the most with a $170,867 base salary while the Product Analyst role on average pays the least with a $81,800 base salary.

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