# statistics

### The average precipitation for the first 7 months of the year is 19.32 inches with a standard deviati

The average precipitation for the first 7 months of the year is 19.32 inches with a standard deviation of 2.4 inches. Assume that the average...
Thread by: math_celebrity, May 13, 2023, 0 replies, in forum: Calculator Requests

### The mean age of 10 women in an office is 30 years old. The mean age of 10 men in an office is 29 yea

The mean age of 10 women in an office is 30 years old. The mean age of 10 men in an office is 29 years old. What is the mean age (nearest year) of...
Thread by: math_celebrity, Oct 18, 2021, 0 replies, in forum: Calculator Requests

### The observation which occurs most frequently in a sample is the

The observation which occurs most frequently in a sample is the mode
Thread by: math_celebrity, Jun 16, 2020, 0 replies, in forum: Calculator Requests

### A ________ ________ is the value of a statistic that estimates the value of a parameter.

A ________ ________ is the value of a statistic that estimates the value of a parameter. Point Estimate. A point estimate is a single value...
Thread by: math_celebrity, Nov 26, 2019, 0 replies, in forum: Calculator Requests

### For the normal distribution with parameters μ = 4, σ = 3 ; calculate P(x > 1)

For the normal distribution with parameters μ = 4, σ = 3 ; calculate P(x > 1) Using our calculator, we get P(x > 1) = 0.841345
Thread by: math_celebrity, Dec 30, 2018, 0 replies, in forum: Calculator Requests

### μ = 5, σ = 4 ; calculate P(0 < x < 8)

μ = 5, σ = 4 ; calculate P(0 < x < 8) This is the same as P(x < 8) - P(x < 0). P(x < 8) using our calculator is 0.773373 P(x < 0) using our...
Thread by: math_celebrity, Dec 30, 2018, 0 replies, in forum: Calculator Requests

### The relief time provided by a standard dose of a popular children’s allergy medicine averages 7.9

The relief time provided by a standard dose of a popular children’s allergy medicine averages 7.9 hours with a standard deviation of 2.2 hours....
Thread by: math_celebrity, Jan 16, 2017, 0 replies, in forum: Calculator Requests

### Imagine that the diabetic test accurately indicates the disease in 95% of the people who have it. Wh

Imagine that the diabetic test accurately indicates the disease in 95% of the people who have it. What's the miss rate? Miss Rate = 1 - 0.95 Miss...
Thread by: math_celebrity, Jan 5, 2017, 0 replies, in forum: Calculator Requests

### A group of students at a school takes a history test. The distribution is normal with a mean of 25,

A group of students at a school takes a history test. The distribution is normal with a mean of 25, and a standard deviation of 4. (a) Everyone...
Thread by: math_celebrity, Jan 5, 2017, 0 replies, in forum: Calculator Requests

### Assume the speed of vehicles along a stretch of I-10 has an approximately normal distribution with a

Assume the speed of vehicles along a stretch of I-10 has an approximately normal distribution with a mean of 71 mph and a standard deviation of 8...
Thread by: math_celebrity, Jan 5, 2017, 0 replies, in forum: Calculator Requests

### The patient recovery time from a particular surgical procedure is normally distributed with a mean o

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.3 days and a standard deviation of 2.1...
Thread by: math_celebrity, Jan 5, 2017, 0 replies, in forum: Calculator Requests

### Height and weight are two measurements used to track a child's development. TheWorld Health Organiza

Height and weight are two measurements used to track a child's development. The World Health Organization measures child development by comparing...
Thread by: math_celebrity, Jan 5, 2017, 0 replies, in forum: Calculator Requests

### Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed wit

Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed with a mean of 250 feet and a standard deviation...
Thread by: math_celebrity, Jan 4, 2017, 0 replies, in forum: Calculator Requests

### Facebook provides a variety of statistics on its Web site that detail the growth and popularity of t

Facebook provides a variety of statistics on its Web site that detail the growth and popularity of the site. On average, 28 percent of 18 to 34...
Thread by: math_celebrity, Jan 4, 2017, 0 replies, in forum: Calculator Requests

### Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed wit

Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed with a mean of 250 feet and a standard deviation...
Thread by: math_celebrity, Jan 3, 2017, 0 replies, in forum: Calculator Requests

### A typical adult has an average IQ score of 105 with a standard deviation of 20. If 20 randomly selec

A typical adult has an average IQ score of 105 with a standard deviation of 20. If 20 randomly selected adults are given an IQ test, what is the...
Thread by: math_celebrity, Jan 3, 2017, 0 replies, in forum: Calculator Requests