With this one, you can do a method of guess and check. Find a number that's logical, like 70. multiply 70 by 6, which gives you 420. The remainder of the 117 would be non-students,117-70=47. You take that 47 and multiply that by 12, which gives you 564. 564+420=984. So, that probably means we should go down from the 70. Try 65. 65×6=390. 117-65=52. 52×12=624. 624+390=1014. That means we went back too much. Let's try right in the middle, at 67. 67×6=402. 117-67=50. 50×12=600. 600+402=1002! So, with that being said, the answer would be 67!
Step-by-step explanation:
2 options
now as you told make me brainlist
To find this answer you will write the rate given as a unit rate per pound. Divide the get this.
$6.60/60 pounds = $0.11/ 1 lb.
This is the same as $0.11 per 16 ounces. Divide again to get a unit rate per ounce.
$0.11/16 = $0.006875 or $0.007 or 0.7 cents per ounce
Choice D is correct, but it should say per ounce not per pound.
Answer:
There is insufficient evidence to support the claim.
Step-by-step explanation:
What we need to do is calculate the z factor and see whether or not we can refute the manufacturer's claim.
We have to:
z = (p - pm) / [pm * (1-pm) / n] ^ (1/2)
where p is the probability of the random sample, 13% or 0.13 and pm the probability per microwave maker, that is, 10% or 0.1. n sample size which is 57.
When replacing, we are left with:
z = (0.13 - 0.1) / [0.1 * (1-0.1) / 57] ^ (1/2)
z = 0.75
This value corresponds in the normal distribution to 0.7734 (attached image), this value is very large to refute the above, it must give a value less than 0.05 to be able to be refutable.
Therefore there is insufficient evidence to support the claim.
Answer:
Already answered but oh well
It's -4