Answer:
68% of the dinosaurs' ages were within 1 standard deviation of the mean.
Step-by-step explanation:
The Empirical Rule states that, for a normally distributed random variable:
68% of the measures are within 1 standard deviation of the mean.
95% of the measures are within 2 standard deviation of the mean.
99.7% of the measures are within 3 standard deviations of the mean.
What percentage of the dinosaurs' ages were within 1 standard deviation of the mean?
By the Empirical Rule, 68% of the dinosaurs' ages were within 1 standard deviation of the mean.
The probability of Lila selects a black ribbon is
3/15
the probability that Jessica selects a green ribbon is
12/14
good luck
Answer:
A
Step-by-step explanation:
Graph A has a y intercept of -3 and a slope of 3/4
you need to get a common denominator and subtract 20/32 from 26/32
z would equal 6
Answer:
Domain is all real numbers or -infinity to positive infinity
Range is y is greater than or equal to 14
Step-by-step explanation:
Domain is where the function is defined and here there is no limit. The range is the set of values that correspond with the domain and here it does not go below 14.