Carry yotermediate computations to at least three decimal places. (If necessary, consult a list of formulas.)(a) State the null hypothesis Ho and the alternative hypothesis H₁.H:H₁:0(b) Determine the type of test statistic to use.(Choose one)(c) Find the value of the test statistic. (Round to three or more decimal places.)0(d) Find the two critical values at the 0.05 level of significance. (Round to three or more decimal places.)44Hzand(e) Can we support the claim that the mean number of commercials aired during prime time by the firststation is not equal to the mean number of commercials aired during prime time by the secondstation?Yes O NoExplanationCheckO Search2μ σ|xロ=ロ OSO□□SXD2022 McGraw Hill LLC. All Rights Reserved. Terms of U VThe historical reports from two major networks showed that the mean number of commercials aired during prime time was equal for both networks last year. Inorder to find out whether they still air the same number of commercials on average or not, random and independent samples of 95 recent prime time airingsfrom both networks have been considered. The first network aired a mean of 110.8 commercials during prime time with a standard deviation of 4.4. The secondnetwork aired a mean of 109.2 commercials during prime time with a standard deviation of 4.9. Since the sample sizes are quite large, assume that thepopulation standard deviations can be estimated to be equal to the sample standard deviations, 4.4 and 4.9. At the 0.05 level of significance, is there sufficientevidence to support the claim that the mean number, μ₁, of commercials aired during prime time by the first station is not equal to the mean number, μ₂, ofcommercials aired during prime time by the second station? Perform a two-tailed test. Then complete the parts below.Carry your intermediate computations to at least three decimal places. (If necessary, consult a list of formulas.)As(a) State the null hypothesis Ho and the alternative hypothesis H₁.Ho75°FCloudyH₁:0(b) Determine the type of test statistic to use.(Choose one) ▼(c) Find the value of the test statistic. (Round to three or more decimal places.)0(d) Find the two critical values at the 0.05 level of significance. (Round to three or more decimal places.)and(e) Can we support the claim that the mean number of commercials aired during prime time hy the firstExplanation144HzCheckO Searchн|xOXS0=0 OSO0

Question

Carry yotermediate computations to at least three decimal places. (If necessary, consult a list of formulas.)(a) State the null hypothesis Ho and the alternative hypothesis H₁.H:H₁:0(b) Determine the type of test statistic to use.(Choose one)(c) Find the value of the test statistic. (Round to three or more decimal places.)0(d) Find the two critical values at the 0.05 level of significance. (Round to three or more decimal places.)44Hzand(e) Can we support the claim that the mean number of commercials aired during prime time by the firststation is not equal to the mean number of commercials aired during prime time by the secondstation?Yes O NoExplanationCheckO Search2μ σ|xロ=ロ OSO□□SX<SР68>D2022 McGraw Hill LLC. All Rights Reserved. Terms of U VThe historical reports from two major networks showed that the mean number of commercials aired during prime time was equal for both networks last year. Inorder to find out whether they still air the same number of commercials on average or not, random and independent samples of 95 recent prime time airingsfrom both networks have been considered. The first network aired a mean of 110.8 commercials during prime time with a standard deviation of 4.4. The secondnetwork aired a mean of 109.2 commercials during prime time with a standard deviation of 4.9. Since the sample sizes are quite large, assume that thepopulation standard deviations can be estimated to be equal to the sample standard deviations, 4.4 and 4.9. At the 0.05 level of significance, is there sufficientevidence to support the claim that the mean number, μ₁, of commercials aired during prime time by the first station is not equal to the mean number, μ₂, ofcommercials aired during prime time by the second station? Perform a two-tailed test. Then complete the parts below.Carry your intermediate computations to at least three decimal places. (If necessary, consult a list of formulas.)As(a) State the null hypothesis Ho and the alternative hypothesis H₁.Ho75°FCloudyH₁:0(b) Determine the type of test statistic to use.(Choose one) ▼(c) Find the value of the test statistic. (Round to three or more decimal places.)0(d) Find the two critical values at the 0.05 level of significance. (Round to three or more decimal places.)and(e) Can we support the claim that the mean number of commercials aired during prime time hy the firstExplanation144HzCheckO Searchн|xOXS0=0 OSO0<0DSP

Accepted Answer

Method: if population standard deviations are unknown then we use t test .