simple random sample of sizen=14 is obtained from a population with u= 64 and o= 19. What must be true regarding the distribution of the population in order to use the normal model to compute probabilities involving the sample mean? Assuming that this condition is true, describe the sampling distribution of x p) Assuming the normal model can be used, determine P(x<67.5). c) Assuming the normal model can be used, determine P(x2 65.6). a) What must be true regarding the distribution of the population? O A. The population must be normally distributed. O B. Since the sample size is large enough, the population distribution does not need to be normal. O C. The sampling distribution must be assumed to be normal. O D. The population must be normally distributed and the sample size must be large.

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8.1.17-T Assigned Media v
A simple random sample of sizen=14 is obtained from a population with u = 64 and o = 19
al What must be true regarding the distribution of the population in order to use the normal model to compute probabilities involving the sample mean? Assuming that this condition is true, describe the sampling distribution of x
(b) Assuming the normal model can be used, determine P(x<67.5).
(c) Assuming the normal model can be used, determine P(x2 65.6).
(a) What must be true regarding the distribution of the population?
O A. The population must be normally distributed.
O B. Since the sample size is large enough, the population distribution does not need to be normal.
C. The sampling distribution must be assumed to be normal.
O D. The population must be normally distributed and the sample size must be large.
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Transcribed Image Text:Question 8.1.17-T Assigned Media v A simple random sample of sizen=14 is obtained from a population with u = 64 and o = 19 al What must be true regarding the distribution of the population in order to use the normal model to compute probabilities involving the sample mean? Assuming that this condition is true, describe the sampling distribution of x (b) Assuming the normal model can be used, determine P(x<67.5). (c) Assuming the normal model can be used, determine P(x2 65.6). (a) What must be true regarding the distribution of the population? O A. The population must be normally distributed. O B. Since the sample size is large enough, the population distribution does not need to be normal. C. The sampling distribution must be assumed to be normal. O D. The population must be normally distributed and the sample size must be large. Click to select your answer and then click Check Answer. Check Answer Clear All 3 parts 3 remaining DII DD 80 F12 F10 FI1 F6 F7 FB F9 esc F4 F5 F2 F3 * @ %23 $ & 2 3 4 6 7 9 { Q W E R Y U K * 00
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