The current recommendation for zinc is to have at least 30 mg/day. Assume that nationwide 60% of adult Americans are zinc deficient. A random sample of 50 adult Americans is selected. Simplify up to three decimals ( ex: 1.121) what is the sampling distribution of the sample proportion o the adult Americans who are zinc deficient for a sample of size 50? sample proportion: Standard deviation what is the probability that the sample of size 50 gives a sample proportion within 0.10 from the population proportion?

Q: In a math class, one of your 4 test scores is dropped. On the first three tests, you have the…

A: In a math class, one of your 4 test scores is dropped.  On the first three tests, you have the…

Q: A student wants to earn a C for a class. To get this grade, the average of his six test scores must…

A: Introduction: It is required to find the score on the sixth test, to ensure an average of 70.

Q: The average monthly income of P and Q is $5050. The average monthly income of Q and R is $6250 and…

A:

Q: An AP consists of 37 terms. The sum of the three middle most terms is 225 and the sum of the last…

A:

Q: What is supposed to be in place of the question mark in Step 2?

A: Step - I: f(n) = 3n2 + 2n - 1         < 3n2 + 2n          ≤ 3n2 + 2n2 for n ≥ 1            = 5n2…

Q: What is 1 plus 1 equals?

A: What is 1 plus 1 equals ?

Q: Other Math Explain why good knowledge in Astronomy is important for fields like Accounting,…

A: Most probably, you’re already interested in studying astronomy if you are reading this post. Would…

Q: The average exam score of a math class is 78. The standardized value of a student’s exam score in…

A:

Q: Make up a question that has 25 -1 as its solution. Explain.

A:

Q: Students are always interested in how tests in school are graded. If i make a math test for this…

A:

Q: ass, one of your 4 test scores is dropped. On the first three tests, you have the following scores:…

A: The formula for the mean of a sample is, The sample size (n) is 4. The sample mean is x is 75.…

Q: John has grades of 86, 88, and 78 on his first three tests in geometry. If he wants an average of at…

A:

Q: Your grade in a class is determined by the average of three test scores. You scored 75 and 88 on the…

A: Topic - Algebraic operations We are given the test scores of first two tests as 75 and 88. Average…

Q: John has grades of 87 and 93 on his first two history tests. What must he score on his third test so…

A:

Q: Aira's average score on her six tests is 98 points. The score range for each test is 0 points to 100…

A:

Q: This one was confusing thank you for your assistance

A: A snail is travelling along a straight path. the snails velocity can be modelled by v(t)=1.4ln(1+t2)…

Q: Click the arrows to choose an answer from each menu. Trey's number line model is incorrect Choose...…

A: We need to fill in the blanks.

Q: A student needs a 90 average to receive an A in his math class. On the first 4 tests he scored 75,…

A: we have to find grade..