Select at random, 200 University students from the list and send them a survey question online. what kind of sampling technique is most fitted to be used in this scenario. A. Snowball Technique B. Simple Random Sampling C. Purposive Sampling D. Stratified Random Sampling

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A: Sample mean  = 1.99 Sample standard deviation  = 0.92 n = 49

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Q: Using the Z table provided, find the value of a. P[-a < Z < a] = 0.9954

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Q: * If HO: u=30 HA: µ #30 O HA: μ 30 Ο all above O dont of them O

A: Given  Null hypothesis Ho: μ=30   

Q: Using the Z table provided, find the value of a. P[-a < Z < a] = 0.9954

A:

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Q: * If HO: u=30 HA: p #30 O HA: p< 30 O HA μ 30 Ο all above O dont of them O

A: We have given that,  If H0 : μ = 30 Then,  We have to check the correct answer I'm. The above option...

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