Finding probability that lot will be rejected or accepted

Assignment Help Basic Statistics

Reference no: EM1320618

Q1) Quality control process at manufacturing plant needs that each lot of finished units be sampled for defective items. 20 units from each lot are inspected. If 5 or more defective units are found, lot is rejected. If a lot is known to contain 10% defective items, find out the probability that lot will be rejected? Accepted?

i) Let Xi's be random sample of size n from population ~N(2,4). How large should n be in order that: p (1.9≤ Xbar ≤ 2.1)≥ 0.99?

ii) To hunt flying insects, bats emit high-frequency sounds and then listen for their echoes. One interesting question is: how far separately are bat and insect when bat first senses that insect is there? Following table lists bat-to-insect detection for 11 catches. Determine the 95% confidence interval for μ, true bat-to-insect detection distance. Is supposition that bat-to-insect detection distances are normally distributed tenable?

Catch Number	Detection Distance (cm)	Catch Number	Detection Distance (cm)
1	62	7	27
2	52	8	42
3	68	9	83
4	23	10	56
5	34	11	40
6	45

Reference no: EM1320618

Questions Cloud

Short-run average cost curve and the long-run average cost : short-run average cost curve and the long-run average cost curve are both U-shaped for the same reasons.

Find probability that 1 card is king and 2 card is a queen : Find the probability that the first card is a king and the second card is a queen.

Testing difference between two population means : Do the thinner cans appear to be strong enough so that they are not crushed when the top lids are pressed onto the sides?

Implementing the transactions using sql : Write down the complete transaction utilizing the SQL. Write down the full transaction log

Finding probability that lot will be rejected or accepted : If a lot is known to contain 10% defective items, find out the probability that lot will be rejected? Accepted?

What is nurds equilibrium evel of income : Illustrate what is Nurd's equilibrium evel of income. Illustrate what is likely to occur in the coming months if the government takes no action.

Identify null-alternative hypothesis-test statistic : Test the given claim. Identify the null hypothesis, alternative hypothesis, test statistic, P-Value or critical value(s), conclusion about the null hypothesis, and final conclusion that addresses the original claim.

Distinguishcrowding-out effect also the ricardo barro effect : Distinguish between the crowding-out effect also the Ricardo Barro effect. Elucidate how are the 2 effects related

How changes in government spending also taxes positively : Elucidate how changes in government spending also taxes positively do or negatively affect the economy's production also employment.

User Account

All Pages