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Chapter 01 Test

Last updated over 3 years ago
25 questions
Probability Tables
Rewrite the table below to turn it into a probabilty table
2

Round your answer to 3 decimal places

2

Round your answer to 3 decimal places

2

Round your answer to 3 decimal places

2

Round your answer to 3 decimal places

2

Round your answer to 3 decimal places

2

Round your answer to 3 decimal places

2

Round your answer to 3 decimal places

2

Round your answer to 3 decimal places

2

Round your answer to 3 decimal places

2

Round your answer to 3 decimal places

Interpreting Probability Tables
2

What is P(2\leq X\leq 4)? Write your answer as a percentage.

2

What is P(X=1\text{ and }5)? Write your answer as a percentage.

2

What is P(X\geq 2)? Write your answer as a percentage.

Binomial Distribution
When you flip a coin, there is a 50% probability that a tails shows (We will consider this a failure) If we flip the coin 5 times, what are the probabilities of getting a heads X times?
2

Round your answer to 3 decimal places

2

Round your answer to 3 decimal places

2

Round your answer to 3 decimal places

2

Round your answer to 3 decimal places

2

Round your answer to 3 decimal places

2

Round your answer to 3 decimal places

Standardizing Data
Z-scores are often used in a medical setting to analyze how a certain newborn’s weight compares to the mean weight of all babies.

For example, it’s well-documented that the weights of newborns are normally distributed with a mean of about 7.5 pounds and a standard deviation of 0.5 pounds. Z-scores are often used in a medical setting to analyze how a certain newborn’s weight compares to the mean weight of all babies.

For example, it’s well-documented that the weights of newborns are normally distributed with a mean of about 7.5 pounds and a standard deviation of 0.5 pounds.

Use the following information to calculate the z-scores for the following babies.
2

What is James' z-score? Round your answer to 2 decimal places

2

What is Kimberly's z-score?Round your answer to 2 decimal places

2

What is Lily's z-score? Round your answer to 2 decimal places

2

What is Avery's z-score? Round your answer to 2 decimal places

2

What is Willow's z-score?Round your answer to 2 decimal places

2

What is Isla's z-score? Round your answer to 2 decimal places