P-Value and Statistical Significance

If something is statistically significant, the P-Value is...

• Less than .05

• Greater than .05

• Equal to .05

A customer orders 50 components from a factory that has a 99% quality production rate (99% of the products are defect-free). What is the P-Value if two components are found defective?

• 0

• 0.076

• 0.089

• 0.986

Approximately 3% of the eggs in a store are cracked. If you buy two dozen eggs, what would the P-Value be if none of them are cracked?

• 0.0002

• 0.481

• 0.694

• 1

In a history class, there is a multiple-choice quiz. There are 10 questions. Each question has five possible answers. You didn't pay attention in class that day and have to guess every question. What is the P-Value if you get six of the ten correct?

• 0.0055

• 0.0064

• 0.3770

• 0.9991

The probability the Tim will sink a foul shot is 70%. If Tim attempts 30 foul shots, what is the P-Value if he makes 22?

• 0.150

• 0.432

• 0.719

• 1

In roulette, there is about a 5.3% chance you land on a green space. George plays 25 rounds on the roulette wheel and it lands on green 6 times. What is the P-Value of this situation?

• 0.002

• 0.241

• 0.359

• 1.000

The catcher for St. Georges JV baseball team has a batting average of .556. What is the P-Value if the catcher went 1 for 4 in his latest game?

• 0.039

• 0.195

• 0.234

• 0.961

A study published in a consumer magazine indicated that when a husband and a wife shop for a car, the husband exerts the primary influence in the decision 70% of the time. Five couples who will be purchasing a car are selected at random. What's the P-Value that in two of the couples, the husband will exert the primary influence?

• 0.132

• 0.163

• 0.472

• 0.969

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CCSS.HSS.MD.B.7

In 1995, OJ Simpson was on trial for murder. The jury was consisted of nine African-Americans out of 12 total jurors. What is the P-Value of this if the percentage of African-Americans eligible to be jurors was 28%? Round to the third decimal place.

In 1968, Dr. Benjamin Spock was on trial for advising young men on ways to avoid the Vietnam War draft. When the jury was selected said it was comprised of all men, who were considered less sympathetic to Dr. Spock. What is the P-Value of this if the eligible jury pool was 50% men? Round to four decimal places.