@moosa_tv_english: How long should a phone battery last? 🔋 Let’s use the normal distribution to solve it. If average daily usage is 5 hours with a standard deviation of 1 hour, a battery lasting 7 hours would support approximately 97.5% of users—comfortably exceeding a 95% target. Statistics can turn real-world data into smarter design decisions! Save this example for your next lesson. 📊 #StatisticsTok #NormalDistribution #StandardDeviation #BatteryLife #DataScience #MathTok #StudyTok #LearnOnTikTok