# Statistics

Episodes of dehydration are common at outdoors music festivals. At a particular large annual event, a first
aid team has recorded over the years 85 cases on average per day. In 2018, during a weekend they observe 78, 86,
79, and 81 cases. Assuming the distributions of cases is normal, can you confirm that the number of cases has
significantly dropped in 2018? Assume alpha=0.10

1. 👍
2. 👎
3. 👁
1. I'm confused as to what would n (the sample size) be? would it be 85?

1. 👍
2. 👎
2. n = 4, the values are 78, 86, 79, and 81. Compare to mean = 85.

1. 👍
2. 👎

## Similar Questions

1. ### History

In early civilizations, farming was relied upon to produce surpluses. Farmers were expected to get enough food to sustain the city and the city population. Which of the following would the people in the city do for the farmer in

2. ### Social studies

Which of the following was the primary purpose of the Olympic games? A. It was a religious event where Zeus was honored. B. It was a political event where Athens and Sparta fought. C. It was a social event where women built

3. ### Technology

1. Which of the following is an example of music piracy? A. borrowing your friend's CD B. borrowing a CD from the library C. downloading a song for \$1.00 from a reputable website D. copying a CD from your friend and giving it to

4. ### Educational Technology

1. Why is it illegal to download music from many P2P networks? A.P2P networks are illegal B.The artist usually has not given perimiission for this download•• C.You may spread computer viruses D.Spyware will be put on your

1. ### English

1. A major difference between today’s Hispanic and past European immigrants is that— (1 point) for Hispanics, the old country is only two hours away. European immigrants were all light-skinned. Hispanics are willing to take

2. ### music

hi um could you help me i have to do a music assignment and i to talk to my class about a piece of music from my fave artist like what instruments are used the structure of the music and those kinds of things but im not good at

3. ### statistics

Musical styles other than rock and pop are becoming more popular. A survey of college students finds that 48% like country music, 30% like gospel music, and 10% like both. What is the conditional probability (±0.01) that a

4. ### Creating High-Quality Centers

Which of the following statements concerning infants and music is true? A. Babies aren't instinctive music makers; instead, they need to be taught to create and respond to music. B. Lullabies are found only in cultures originating

1. ### school

1) What are four suggested steps to becoming familiar with early music standards? I. Implement the music standards. II. Consult with a music specialist. III. Check to make sure the music standards are satisfied. IV. Read the music

2. ### math

Mileys music has a sale on music cds. All music Cds are discounTed 15%. mariana's receipt indicates that she saved \$3 on her cd purchase. What is the full price of her music cd before discount

3. ### country report

Waht kind of music do they listen to in Thailand? I'm doing a project about Thailand and as an idea, I thought of either playing traditional music or bringing in Thai food. I'm not sure where to find Thai music (or info about

4. ### music

what is an element in music There are a number of musical elements: rhythm, melody, dynamics, harmony, tempo, timbre, articulation, texture and form. You can find definitions for these by clicking on MUSIC under SUBJECTS on the