sample proportion is p= und to three decimal places as needed.)

Bill Alther is a zoologist who studies Anna's hummingbird (Calypte anna). (Reference: Hummingbirds, K. Long, W. Alther.) Suppose that in a remote part of the Grand Canyon, a random sample of six of these birds was caught, weighed, and released. The weights (in grams) were as follows. 3.7 2.9 3.8 4.2 4.8 3.1 The sample mean is  = 3.75 grams. Let x be a random variable representing weights of hummingbirds in this part of the Grand Canyon. We assume that x has a normal distribution and ? = 0.64 gram. Suppose it is known that for the population of all Anna's hummingbirds, the mean weight is ? = 4.30 grams. Do the data indicate that the mean weight of these birds in this part of the Grand Canyon is less than 4.30 grams? Use ? = 0.10. (a)  What is the level of significance? (Enter a number.)State the null and alternate hypotheses. Will you use a left-tailed, right-tailed, or two-tailed test? H0: ? = 4.3 g; H1: ? ≠ 4.3 g; two-tailedH0: ? < 4.3 g; H1: ? = 4.3 g; left-tailed    H0:…

Each person in a random sample of 20 students at a particular university was asked whether he or she is registered to vote. The responses (R = registered, N = not registered) are given here: NRRRRNRRN R N N N N N N RR NN Use these data to estimate p, the true proportion of all students at the university who are registered to vote.

For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding.A random sample of 5160 permanent dwellings on an entire reservation showed that 1655 were traditional hogans. a)Let p be the proportion of all permanent dwellings on the entire reservation that are traditional hogans. Find a point estimate for p. (Round your answer to four decimal places.)

Find the P-value (to 4 decimals) for a x test with d. f. = 10 and STS X = 13 if the test is: %3D a. Left tailed: b. Right tailed: c. Two-tailed: Submit Question

Let p be the population proportion for the following condition. Find the point estimates for p and q.  A study of 4941 adults from country​ A, 3267 think mainstream media is more interested in making money than in telling the truth.

Consider these sample​ data: x1=15​, x2=9​, x3=3​, x4=22.   a. Find n.        b. Compute ∑xi.      c.Determine x.       a.n=

Hi, I added a picture of the notes in reference to the question. I appreciate the help, thanks

Cumulative frequency Male Beagles 50- 45- 40- 35- 30- 25- 20- 15- 10- 5- 0- 19.5 22.5 25.5 28.5 31.5 34.5 Weight (in pounds) 55-

d). What is the pmf? 3) What is the median, ã ?