Answer:
Step-by-step explanation:
oisemakers, paper flowers, and more with these classroom craft ideas your students will love. ... Have students choose a hat and then decorate it in a way that reflects them, using ... Watch young artists blossom as they transform egg cartons into colorful flowers.
Answer:
150
Step-by-step explanation:
you have three days and 7.5 so decide 7.5 by 3 it equals 2.5 which in minutes is 150
3x+1=1 because it is a hard problem to solve just ask your teacher
Answer:
H0: μ = 5 versus Ha: μ < 5.
Step-by-step explanation:
Given:
μ = true average radioactivity level(picocuries per liter)
5 pCi/L = dividing line between safe and unsafe water
The recommended test here is to test the null hypothesis, H0: μ = 5 against the alternative hypothesis Ha: μ < 5.
A type I error, is an error where the null hypothesis, H0 is rejected when it is true.
We know type I error can be controlled, so safer option which is to test H0: μ = 5 vs Ha: μ < 5 is recommended.
Here, a type I error involves declaring the water is safe when it is not safe. A test which ensures that this error is highly unlikely is desirable because this is a very serious error. We prefer that the most serious error be a type I error because it can be explicitly controlled.
1st: add 5 to each side
2nd: divide by 2 on each side
