Solution :
(a)
np(1 - p) 10
(b)
= 0.75
3.2.RA-1 Fill in the blanks to complete the following statements (a) For the shape of the...
Fill in the blanks to complete the following statements. (a) For the shape of the distribution of the sample proportion to be approximately normal, it is required that np(1-P) (b) Suppose the proportion of a population that has 1 certain characteristic is 0.1. The mean of the sampling distribution of p from this population is ha = (This is a reading assessment question. Be certain of your answer because you only get one attempt on this question.) (a) For the...
Fill in the blanks to complete the following statements (a) For the shape of the distribution of the sample proportion to be approximately normal, it is required that np(1-D) _ (b) Suppose the proportion of a population that has a certain characteristic is 0.45. The mean of the sampling distribution of p from this population is le (This is a reading assessment question. Be certain of your answer because you only get one attempt on this question) (a) For the...
Fill in the blanks to complete the following statements. (a) For the shape of the distribution of the sample proportion to be approximately normal, it is required that np(1−p)≥______. (b) Suppose the proportion of a population that has a certain characteristic is 0.8. The mean of the sampling distribution of p from this population is μp=______. (Type an integer or a decimal.)
8.2 Fill in the blanks to complete the following statements. (a) For the shape of the distribution of the sample proportion to be approximately normal, it is required that np(1-P) (b) Suppose the proportion of a population that has a certain characteristic is 0.65. The mean of the sampling distribution of p from this population is hp According to a study conducted by a statistical organization, the proportion of people who are satisfied with the way things are going in...
Fill in the blanks to complete the following statements. Bold left parenthesis a right parenthesis(a) For the shape of the distribution of the sample proportion to be approximately? normal, it is required that ?np(1minus??p)greater than or equals??______. Bold left parenthesis b right parenthesis(b) Suppose the proportion of a population that has a certain characteristic is 0.70.7. The mean of the sampling distribution of ModifyingAbove p with caretp from this population is mu Subscript ModifyingAbove p with caret?pequals=?______.
The shape of the distribution of the time required to get an oil change at a 10-minute oil-change facility is unknown. However, records indicate that the mean time is 11.2 minutes, and the standard deviation is 3.7 minutes. Complete parts (a) through (c). (a) To compute probabilities regarding the sample mean using the normal model, what size sample would be required? O A. The normal model cannot be used if the shape of the distribution is unknown. OB. Any sample...
I just need the answer for E and F, thank you:) Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with mean p=123 days and standard deviation = 13 days. Complete parts (a) through (1) below. (a) What is the probability that a randomly selected pregnancy lasts less than 118 days? The probability that a randomly selected pregnancy lasts less than 118 days is approximately 0.3503). (Round to four decimal places as needed.) Interpret this...
Thanks in advance! Suppose a simple random sample of size n 75 is obtained from a population whose size is N-20,000 and whose population proportion with a specified characteristic is p 0.6. Complete parts (a) through (c) below. (a) Describe the sampling distribution of p. Choose the phrase that best describes the shape of the sampling distribution below. ○ A. Not normal because n 0.05N and np(1-p) OB. Approximately normal because n s0.05N and np(1-p)<10 yC. Approximately normal because n...
20,000 and whose population proportion with a specified characteristic Suppose a simple random sample of size n= 75 is obtained from a population whose size is N is p = 0.2 Choose the phrase that best describes the shape of the sampling distribution below. A Approximately normal because ns0.05N and np(1-P) <10. B. Approximately normal because ns0.05N and np(1-P) 10. C. Not normal because ns 0.05N and np(1-P) < 10. OD. Not normal because ns0.05N and np(1-P) 10. Determine the...