is a binomial random variable,find P(X>=3)
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- A test of hypothesis is statistic H0: u=150 versus H1:u greater than 150 was performed. The P-value was 0.035. Fill in the blank: If u=65, then the prpbability of observing a test as extreme as or more extreme than the one actually observed is ________________.Say you get a z-score of z = 0.35. Find 2 * Pr(Z ≥ |z|)X is the number of defective parts in a sample of 10 randomly selected parts coming from a manufactoring process in which 1.5% of all parts are defective. How do I find the probabilty the sample contains no broken parts?
- The test statistic of z equals 2.01 is obtained when testing the claim that p greater than n 0.2 a. Find the P-value.16. A machine produces bolts which are N(4, 0.09), where measurements are in mm. bolts are measured accurately and any which are smaller than 3.5 mm or bigger than 4.4 mm are rejected. Out of a batch of 500 bolts how many would be acceptable?1. Is a value of r=0.75 from a sample of 100 more significant than a value of r=0.30 from a sample of 1000?
- What degrees of freedom would younormally expect a t test to have when N1 = 40 and N2 = 55?A drug manufacturer claims that a drug of its own production is 90% effective in relieving allergies for 8 hours. In a sample of 200 people with allergies, the drug relieved pain in 160 of them. Is the manufacturer's claim true on the level of morale? 1%.A hypothesis test is conducted with H0 : µ = 18 vs. Ha: µ > 18. Given that the population is normal and the sample finds x̅ = 21.2, σ = 10, and n = 9 , the tail area of this test is P =
- using simpson's 1/3 rule4. The lifetime, in years, of a type of small electric motor operating under adverse conditions is T ~Γ(6, 3.6). Whenever the motor fails, it is replaced with another of the same type. Find theprobability that fewer than 6 motors fail within one year.The test statistic of z = 0.96 is obtained when testing the claim that p > 0.4. b. Find the P-value.