Alica

Questions and answers by Alica

Questions (8)

Final averages are typically approximately normally distributed with a mean of 65 and a standard deviation of 8. Your professor
1. 1 answer
2. 486 views
In a normal distribution, what z-score value separates the highest 90% of the scores from the rest of the distribution?a)z =
1. 3 answers
2. 2,573 views
For the past 20 years, the high temperature on April 15th has averaged µ = 62 degrees with a standard deviation of σ = 4. Last
1. 7 answers
2. 4,695 views
The NCAA men's basketball season starts with 327 college teams all dreaming of making it to "the big dance" and attaining the
1. 4 answers
2. 850 views
If you roll a die 38 times and 12 of the rolls result in a "5," what empirical probability was observed for the event "5"?
1. 3 answers
2. 1,007 views
A 1.60-g bullet, moving at 542 m/s, strikes a 0.249-kg piece of wood at rest on a frictionless table. The bullet sticks in the
1. 3 answers
2. 586 views
A 1280-kg car starts from rest and accelerates to 80 km/h in 23.0 s. Friction exerts an average force of 449 N on the car during
1. 3 answers
2. 689 views
Calculate the morality of a solution made by mixing 250ml of 0.75M H2SO4 with 400ml of 2.5MH2SO4
1. 2 answers
2. 1,053 views

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