Let x have an exponential distribution with = 0.4. Find the probability. (Round your answer to four decimal places.) P(x > 9)

Find each percentage. Round the answers to 2 decimal places when necessary. a. 15%of60 b. 3% of 42.3 c. 72.8% of 120 d. 0.7% of 812 e. 42.6% of 53.76 f. 130%of212 g. 1212 of32 h. 14 of 627.3

Numbers 3 & 4 please

A research firm claims that the distribution of the days of the week that people are most likely to order food for delivery is different from the distribution shown in the pie chart. You randomly select 493 people and record which day of the week each is most likely to order food for delivery. The table to the right shows the results. At a = 0.01, test the research firm's claim. Day Frequency, f 47 Sunday Monday Tuesday Wednesday Thursday Friday Saturday 15 27 W Click the icon for the pie chart of the distribution. 49 41 164 150 State Ho and H, and identify the claim. Graph/Chart Ho: The distribution of the days people order food for delivery H: The distribution of the days people order food for delivery Food at your door I Sunday 8% Which hypothesis is the claim? I Monday 3% O Ho O Tuesday 6% O H. O Wednesday 14% I Thursday 11% Calculate the test statistic. I Friday 36% X = (Round to three decimal places as needed.) I Saturday 22% Determine the P-value. P= (Round to three decimal…