A culture of a certain bacterium grows according to the law of exponential growth. If there were 130 colonies after the third day of incubation and 380 colonies after the seventh day. How many colonies were in the original population?

Q: For a hypothesis Họ s40, H 40, the cumulaive probability that corresponds to the test statistic z is...

A: Solution-: Given: μ0=40,Zstat=z=0.8569 We have:  H0:μ≤μ0=40  Vs   H1:μ>40 (Right tailed test)    ...

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A: d) The test is two tailed.

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Q: 1. Assume the weekly costs for full-time daycare in some large city have a mean of $120, and a stand...

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Q: Consider the linear model y =ß,+B,x, observations and obtain the OLS residuals . You then estimate t...

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Q: find the critical value that corresponds to a confidence level of 90.8%.

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Q: For a hypothesis Ho: uS 40, Ha: > 40, if the cumulative probability that corresponds to the test sta...

A: We have given that,  H0 :μ≤40 versus Ha :μ>40 And Z-statistic = 0.9871 Then,  We wil find p- valu...

Q: IV. EXERCISES A. A random sample of 60 Grade 11 students' ages is obtained to estimate the mean ages...

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Q: A type I error could be committed even if the null hypothesis is false O True O False

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A: We have given that.   X~N( μ , ?^2 )   μ=28.29  , ? =33.493 , n=54   Z-score =( x - μ )/?  

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