The mean age of the 18,600 students is 23 years with a standard deviation of 12.5. With a 0.05 significance level, what is the likelihood of finding a sample mean of 21.5 years from a sample size of 250?

Agirl is working really hard in high school and decides to finish some of her classes early , what classes should she choose?

1. pass through the cochlea, are transformed into nerve impulses and sent to the brain hair cells 2. forms in your outer ear and is meant to protect your ear from dirt and infection middle ear 3. receives sounds and sends them through the auditory canal to the eardrum inner ear 4. a thin membrane that transmits sound waves into the middle ear cerumen 5. where the cochlea is sound waves 6. a snail-shaped organ lined with hair cells cochlea 7. inside, small bones transmit sound waves from the eardrum to the inner ear eardrum 8. destroyed by extended exposure to loud noise outer ear

Unsatisfied fats tend to be solid at room temperature true or false