In 1995, 40% of adolescents stated that they prayed daily. A researcher wanted to know whether this percentage has risen since then. He surveys 40 adolescents and finds that 18 pray on a daily basis. Is this evidence that the proportion of adolescents who pray daily has increased at the a= 0.05 level of significance? Complete parts (a) through (e) below. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) State the null and alternative hypotheses. Ho: ▼ ▼ H₁: ▼ ▼ (Type integers or decimals. Do not round.)
In 1995, 40% of adolescents stated that they prayed daily. A researcher wanted to know whether this percentage has risen since then. He surveys 40 adolescents and finds that 18 pray on a daily basis. Is this evidence that the proportion of adolescents who pray daily has increased at the a= 0.05 level of significance? Complete parts (a) through (e) below. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) State the null and alternative hypotheses. Ho: ▼ ▼ H₁: ▼ ▼ (Type integers or decimals. Do not round.)
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.3: Special Probability Density Functions
Problem 15E: Describe the standard normal distribution. What are its characteristics?
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