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Significant Digits For Monday, April 20, 2015

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12 percent

Percentage of Hawaiian homes with rooftop solar-power systems, the highest rate in the country. [The New York Times]

48 percent

The probability before the NBA playoffs began that the Golden State Warriors would win the title, based on player ratings provided to FiveThirtyEight by Jeremias Engelmann and Steve Ilardi. It was far and away the highest title-winning probability of the 16 teams that made it to the postseason. After winning their opening playoff game on Saturday, the Warriors need to win 15 more games to take the title. [FiveThirtyEight]

More than 95 percent

The federal government — along with the Innocence Project and the National Association of Criminal Defense Lawyers — is reviewing past testimony of examiners from the FBI’s microscopic hair comparison unit. It’s not looking good. In more than 95 percent of reviewed trials, examiners overstated forensic matches in ways that strengthened prosecutors’ cases. [The Washington Post]


Approximate current cost to the state of Oklahoma to execute a person via lethal injection. The state has added a backup method — carrying out death sentences with nitrogen gas — as the supply of death-row drugs begins to dry up. [The Washington Post]

$25,000 to $50,000

Price set by auction house Bonham for each of a set of pens and pencils that traveled on the Apollo 12 mission in 1969. One of the pens originally cost the U.S. government 30 cents, but hitching a ride with Alan Bean to the moon augmented its value. [Motherboard]


Upper end of range of estimated price for an SUV that Rolls-Royce expects to start selling in 2018. High-end luxury SUVs — which companies including Mercedes-Benz and Bentley sell for more than $200,000 each — are in a relatively new auto class that appears to have staying power. [Bloomberg]

$24 million

How much “Paul Blart: Mall Cop 2” made in its opening weekend, exceeding studio expectations. I’m so disappointed in all of you who made this possible. You know who you are. [Variety]

$75 million

Amount actress Demi Moore is seeking for her penthouse in the San Remo on Central Park West in Manhattan. [The New York Times]

More than $100 million a year

Amount the city of Los Angeles spends annually on homelessness. The vast majority of spending — as much as $87 million — is spent on patrols, arrests and interventions. The city’s homeless population grew 9 percent between 2011 and 2013. [Los Angeles Times]

103 million active users

Worldwide users of mobile money, described as “electronic value stored in an account linked to your mobile number.” [TechCrunch]

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Happy holiday, friends.

Walt Hickey was FiveThirtyEight’s chief culture writer.