Question

Suppose that the mean weight of infants born in a community is μ = 3470 g...

Suppose that the mean weight of infants born in a community is μ = 3470 g and σ2 = 592900.00 g.

a) Find p(x < 3000) probability =

b) Find p(x > 4500) probability =

c) Find p(2500 < x < 3800) probability =

d) Find p(1500 < x < 2700) probability =

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Suppose that the mean weight of infants born in a community is μ = 3060 g...
Suppose that the mean weight of infants born in a community is μ = 3060 g and σ2 = 532900.00 g. Compute the indicated probabilities below. a)  p(x < 3000) probability = b)  p(x > 3900) probability = c)  p(3000 < x < 3800) probability = d)  p(1800 < x < 3300) probability =
Suppose that the mean weight of infants born in a community is μ = 3110 g...
Suppose that the mean weight of infants born in a community is μ = 3110 g and σ = 720 g. Compute the indicated probabilities below. a)  p(x < 2600) probability =   b)  p(x > 4700) probability =   c)  p(2800 < x < 4000) probability =   d)  p(2300 < x < 2700) probability =   Note: Do NOT input probability responses as percentages; e.g., do NOT input 0.9194 as 91.94.
Suppose that the mean weight of infants born in a community is μ = 3170 g...
Suppose that the mean weight of infants born in a community is μ = 3170 g and σ = 690 g. Compute the indicated probabilities below. a) p(x < 2800) probability = b) p(x > 4200) probability = c) p(2300 < x < 4000) probability = d) p(1700 < x < 2800) probability = ______________________________ Suppose that an anxiety measure has a mean of 108 and variance of 289.00. The researcher only wants to work with 43% of the lower...
The mean birth weight of infants in the United States is μ = 3315 grams. Let...
The mean birth weight of infants in the United States is μ = 3315 grams. Let X be the birth weight (in grams) of a randomly selected infant in Jerusalem. Assume that the distribution of X is N(μ, σ2), where μ and σ2 are unknown. 25 new-born infants randomly selected in Jerusalem yielded a sample mean of 3515 grams and a standard deviation of s = 500 grams. Use the data to test the null hypothesis H0: μ = 3315...
4. The mean weight of newborn infants at a community hospital is 6.6 pounds A sample...
4. The mean weight of newborn infants at a community hospital is 6.6 pounds A sample of seven infants is randomly selected and their weights at birth are recorded as 9.0, 7.3, 6.0, 8.8, 6.8, 8.4, and 6.6 pounds. Do they really weigh only 6.6 pounds? I thought they would weigh more. A. State the hypotheses b. Find the calculated value of the test statistic c. State critical value at α = .05 d. State conclusion
A hypothesis regarding the weight of newborn infants at a community hospital is that the mean...
A hypothesis regarding the weight of newborn infants at a community hospital is that the mean is 6.6 pounds. A sample of seven infants is randomly selected and their weights at birth are recorded as 9.0, 7.3, 6.0, 8.8, 6.8, 8.4, and 6.6 pounds. When evaluated using the 5% level of significance, which of the following would be the best decision/interpretation of the null hypothesis? A. Fail to reject the null hypothesis. B. Reject the null hypothesis and conclude the...
Suppose that the birth weights of infants are Normally distributed with mean 120 ounces and a...
Suppose that the birth weights of infants are Normally distributed with mean 120 ounces and a standard deviation of 18 ounces. (Note: 1 pound = 16 ounces.) a) Find the probability that a randomly selected infant will weight less than 5 pounds. b) What percent of babies weigh between 8 and 10 pounds at birth? c) How much would a baby have to weigh at birth in order for him to weight in the top 10% of all infants? d)...
For Mexican American infants born in Arizona in 1986 and 1987, the probability that a child’s...
For Mexican American infants born in Arizona in 1986 and 1987, the probability that a child’s gestational age is less than 37 weeks is 0.142 and the probability that his or her birth weight is less than 2500 grams is 0.051. Furthermore, the probability that these two events occur simultaneously is 0.031. 1. Let A be the event that an infant gestational age is less than 37 weeks and B the event that the infant’s birth weight is less than...
The following three questions refer to the same data.  Suppose babies born prematurely have a mean weight...
The following three questions refer to the same data.  Suppose babies born prematurely have a mean weight of 2700 grams and a standard deviation of 900 grams while babies born after full term have a mean weight of 2900 grams and a standard deviation of 385 grams. If a premature baby weighs 2950 grams and a full term baby weighs 3150 grams, find the corresponding z-scores. Which baby weighs more relative to the gestation period?
Suppose the birth weight in a local community is approximately normal with . ?=7.8 lbs and...
Suppose the birth weight in a local community is approximately normal with . ?=7.8 lbs and the ?=1.9 lbs . a. What is the 20th percentile of the birth weight? b. What is the probability of finding a new born weighing at least 6.5 lbs? c. What proportion of newborns will have their birth weight to be between 6.5 and 8.0 lbs, the healthy birth weight range according to the national standards? d. In a sample of 60 babies what...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT