5.6.23 CW Understanding the Normal Distribution - 1st

What is the most well-known probability distribution model?

• Uniform distribution

• Exponential distribution

• Binomial distribution

• Normal distribution

What shape is commonly associated with the normal distribution?

• Bell

• Triangle

• Square

• Circle

What does the symmetry characteristic of the normal distribution imply?

• Data is skewed to the left

• Data is skewed to the right

• Equal data above and below the mean

• Data peaks at the extremes

How many standard deviations from the mean encompass approximately 95% of the data in a normal distribution?

• One

• Two

• Four

• Three

Which natural element is NOT mentioned as influencing the size of an apple in the context of normal distribution?

• Rain

• Soil quality

• Wind

• Sunshine

According to the central limit theorem, what happens when you add many non-normal distributions?

• They remain non-normal

• They approximate a normal distribution

• They form a uniform distribution

• They form a skewed distribution

What is the probability of finding an exact value in a continuous distribution?

• 50%

• 0%

• 100%

• 25%

What is the mean weight of Luke's ice creams as mentioned in the video?

• 130 grams

• 120 grams

• 112 grams

• 100 grams

What percentage of Luke's ice creams weigh less than 100 grams?

• 15%

• 5%

• 20%

• 9%

What is the range of weights that covers 95% of Luke's ice creams?

• 95 to 125 grams

• 90 to 135 grams

• 94 to 130 grams

• 85 to 140 grams