Answer:
(a) H0: mu = 17 vs. Ha: mu < 17
(b) Sample statistic is 1.6
Explanation:
(a) A null hypothesis is a statement from a population parameter which is either rejected or accepted (fail to reject) the upon testing. It is expressed using the equality sign.
An alternate hypothesis is also a statement from a population parameter which negates the null hypothesis and is accepted if the null hypothesis is rejected. It is expressed using any of the inequality signs.
(b) Sample statistic = sample mean ÷ sample size = 16 ÷ 10 = 1.6
DNA is an example of a complex biological polymer called a nuclei acid. Nucleic acids are made up of many smaller sub units called nucleotides. The components of a DNA nucleotide are deoxyribose, phosphate group, nitrogen group. There are four possible bases in a DNA molecules which includes adenine, cytosine, guanine and tymine.
Gown
The nurse would put on the gown first when utilizing personal protective equipment (PPE). The nurse would then put on the mask, goggles, and gloves.
<h3>What is the sequence followed while wearing a personal protective equipment (PPE)?</h3>
STEP 1: GOWN
- Cover the entire body, from the neck to the knees, the wrists to the end, and the back.
- Fasten around the waist and neck.
STEP 2: SHOE COVERS
- Layer shoes with shoe covers on top.
STEP 3: GLOVES
- Apply the first set of gloves and inspect them for tears.
- Thumb hole made in lab coat
- Thumb through opening in lab coat after pulling it over the hand
- Put on a second set of gloves (extend to cover wrist)
STEP 4: MASK OR RESPIRATOR
- As you cup the respirator in your hands, place the nosepiece there.
- With the nosepiece up, place the respirator under your chin. Pull the top strap over your head, putting it at the back of your head.
- Pull the bottom strap so that it is around your neck and just behind your ears.
- Mold the nose using two hands.
- Put both hands over the mask and take a forceful breath out.
- If air leaks, adjust the mask.
STEP 5: GOGGLES OR FACE SHIELD
- Put over face and eyes, then make adjustments to fit
Learn more about PPE here:
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The answer is “glaciations”. In the late Carboniferous period there was a significant climate change all over the world that caused mass glaciations and it resulted in a huge number of species to become extinct
Answer
The skeletal system works as a support structure for your body. It gives the body its shape, allows movement, makes blood cells, provides protection for organs and stores minerals. The skeletal system is also called the musculoskeletal system.
Explanation:
